diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac6682e5..230a6433 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ env:
 
 jobs:
   clang_tidy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
       with:
diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index 8ae0805f..a23dbfae 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -804,7 +804,7 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
             if (parseEGOpcode(opcode, filterEG)) {
                 getOrCreateConnection(
                     ModKey::createNXYZ(ModId::FilEG, id),
-                    ModKey::createNXYZ(ModId::FilCutoff, id));
+                    ModKey::createNXYZ(ModId::FilCutoff, id, 0));
                 return true;
             }
         }
@@ -832,7 +832,7 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
             if (parseLFOOpcode(opcode, filterLFO)) {
                 getOrCreateConnection(
                     ModKey::createNXYZ(ModId::FilLFO, id),
-                    ModKey::createNXYZ(ModId::FilCutoff, id));
+                    ModKey::createNXYZ(ModId::FilCutoff, id, 0));
                 return true;
             }
         }
@@ -897,7 +897,7 @@ bool sfz::Region::parseLFOOpcode(const Opcode& opcode, LFODescription& lfo)
     else if (absl::StartsWith(opcode.name, "fillfo_")) {
         sourceKey = ModKey::createNXYZ(ModId::FilLFO, id);
         sourceDepthKey = ModKey::createNXYZ(ModId::FilLFODepth, id);
-        targetKey = ModKey::createNXYZ(ModId::FilCutoff, id);
+        targetKey = ModKey::createNXYZ(ModId::FilCutoff, id, 0);
         lfo.freqKey = ModKey::createNXYZ(ModId::FilLFOFrequency, id);
         depthSpec = Default::filLFODepth;
         depthModSpec = Default::filterCutoffMod;
@@ -1076,7 +1076,7 @@ bool sfz::Region::parseEGOpcode(const Opcode& opcode, EGDescription& eg)
     case hash("fileg_depth"):
         getOrCreateConnection(
             ModKey::createNXYZ(ModId::FilEG, id),
-            ModKey::createNXYZ(ModId::FilCutoff, id)).sourceDepth = opcode.read(Default::egDepth);
+            ModKey::createNXYZ(ModId::FilCutoff, id, 0)).sourceDepth = opcode.read(Default::egDepth);
         break;
 
     case hash("pitcheg_veltodepth"): // also pitcheg_vel2depth
@@ -1087,7 +1087,7 @@ bool sfz::Region::parseEGOpcode(const Opcode& opcode, EGDescription& eg)
     case hash("fileg_veltodepth"): // also fileg_vel2depth
         getOrCreateConnection(
             ModKey::createNXYZ(ModId::FilEG, id),
-            ModKey::createNXYZ(ModId::FilCutoff, id)).velToDepth = opcode.read(Default::egVel2Depth);
+            ModKey::createNXYZ(ModId::FilCutoff, id, 0)).velToDepth = opcode.read(Default::egVel2Depth);
         break;
 
     case_any_ccN("pitcheg_depth"):
@@ -1099,7 +1099,7 @@ bool sfz::Region::parseEGOpcode(const Opcode& opcode, EGDescription& eg)
     case_any_ccN("fileg_depth"):
         getOrCreateConnection(
             ModKey::createNXYZ(ModId::FilEG, id),
-            ModKey::createNXYZ(ModId::FilCutoff, id)).sourceDepthMod = ModKey::createNXYZ(ModId::FilEGDepth, id);
+            ModKey::createNXYZ(ModId::FilCutoff, id, 0)).sourceDepthMod = ModKey::createNXYZ(ModId::FilEGDepth, id);
         processGenericCc(opcode, Default::filterCutoffMod, ModKey::createNXYZ(ModId::FilEGDepth, id));
         break;
 
@@ -1161,15 +1161,30 @@ bool sfz::Region::parseLFOOpcodeV2(const Opcode& opcode)
             return nullptr;
         return &lfo.sub[subNumber1Based - 1];
     };
-    auto LFO_EG_filter_EQ_target = [this, &opcode, lfoNumber](ModId sourceId, ModId targetId, const OpcodeSpec<float>& spec) -> bool {
-        const unsigned index = opcode.parameters.size() == 2 ? opcode.parameters.back() - 1 : 0;
-        if (!extendIfNecessary(filters, index + 1, Default::numFilters))
-            return false;
-        const ModKey source = ModKey::createNXYZ(sourceId, id, lfoNumber);
-        const ModKey target = ModKey::createNXYZ(targetId, id, index);
+    auto LFO_target = [this, &opcode, lfoNumber](const ModKey& target, const OpcodeSpec<float>& spec) -> bool {
+        const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
         getOrCreateConnection(source, target).sourceDepth = opcode.read(spec);
         return true;
     };
+    auto LFO_target_cc = [this, &opcode, lfoNumber](const ModKey& target, const OpcodeSpec<float>& spec) -> bool {
+        const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
+        const ModKey depth = ModKey::getSourceDepthKey(source, target);
+        ASSERT(depth);
+        Connection& conn = getOrCreateConnection(source, target);
+        conn.sourceDepthMod = depth;
+        processGenericCc(opcode, spec, depth);
+        return true;
+    };
+    auto ensureFilter = [this, &opcode]() {
+        ASSERT(opcode.parameters.size() >= 2);
+        const unsigned index = opcode.parameters[1] - 1;
+        return extendIfNecessary(filters, index + 1, Default::numFilters);
+    };
+    auto ensureEQ = [this, &opcode]() {
+        ASSERT(opcode.parameters.size() >= 2);
+        const unsigned index = opcode.parameters[1] - 1;
+        return extendIfNecessary(equalizers, index + 1, Default::numEQs);
+    };
 
     //
     switch (opcode.lettersOnlyHash) {
@@ -1252,71 +1267,100 @@ bool sfz::Region::parseLFOOpcodeV2(const Opcode& opcode)
 
     // Modulation: LFO (targets)
     case hash("lfo&_amplitude"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Amplitude, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::amplitudeMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Amplitude, id), Default::amplitudeMod);
+        break;
+    case_any_ccN("lfo&_amplitude"):
+        LFO_target_cc(ModKey::createNXYZ(ModId::Amplitude, id), Default::amplitudeMod);
         break;
     case hash("lfo&_pan"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Pan, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::panMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Pan, id), Default::panMod);
+        break;
+    case_any_ccN("lfo&_pan"):
+        LFO_target_cc(ModKey::createNXYZ(ModId::Pan, id), Default::panMod);
         break;
     case hash("lfo&_width"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Width, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::widthMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Width, id), Default::widthMod);
+        break;
+    case_any_ccN("lfo&_width"):
+        LFO_target_cc(ModKey::createNXYZ(ModId::Width, id), Default::widthMod);
         break;
     case hash("lfo&_position"): // sfizz extension
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Position, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::positionMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Position, id), Default::positionMod);
+        break;
+    case_any_ccN("lfo&_position"): // sfizz extension
+        LFO_target_cc(ModKey::createNXYZ(ModId::Position, id), Default::positionMod);
         break;
     case hash("lfo&_pitch"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Pitch, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::pitchMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Pitch, id), Default::pitchMod);
+        break;
+    case_any_ccN("lfo&_pitch"):
+        LFO_target_cc(ModKey::createNXYZ(ModId::Pitch, id), Default::pitchMod);
         break;
     case hash("lfo&_volume"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::LFO, id, lfoNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Volume, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::volumeMod);
-        }
+        LFO_target(ModKey::createNXYZ(ModId::Volume, id), Default::volumeMod);
+        break;
+    case_any_ccN("lfo&_volume"):
+        LFO_target_cc(ModKey::createNXYZ(ModId::Volume, id), Default::volumeMod);
         break;
-
     case hash("lfo&_cutoff&"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::FilCutoff, Default::filterCutoffMod);
+        if (!ensureFilter())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::FilCutoff, id, opcode.parameters[1] - 1), Default::filterCutoffMod);
+        break;
+    case_any_ccN("lfo&_cutoff&"):
+        if (!ensureFilter())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::FilCutoff, id, opcode.parameters[1] - 1), Default::filterCutoffMod);
         break;
     case hash("lfo&_resonance&"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::FilResonance, Default::filterResonanceMod);
+        if (!ensureFilter())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::FilResonance, id, opcode.parameters[1] - 1), Default::filterResonanceMod);
+        break;
+    case_any_ccN("lfo&_resonance&"):
+        if (!ensureFilter())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::FilResonance, id, opcode.parameters[1] - 1), Default::filterResonanceMod);
         break;
     case hash("lfo&_fil&gain"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::FilGain, Default::filterGainMod);
+        if (!ensureFilter())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::FilGain, id, opcode.parameters[1] - 1), Default::filterGainMod);
+        break;
+    case_any_ccN("lfo&_fil&gain"):
+        if (!ensureFilter())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::FilGain, id, opcode.parameters[1] - 1), Default::filterGainMod);
         break;
     case hash("lfo&_eq&gain"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::EqGain, Default::eqGainMod);
+        if (!ensureEQ())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::EqGain, id, opcode.parameters[1] - 1), Default::eqGainMod);
+        break;
+    case_any_ccN("lfo&_eq&gain"):
+        if (!ensureEQ())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::EqGain, id, opcode.parameters[1] - 1), Default::eqGainMod);
         break;
     case hash("lfo&_eq&freq"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::EqFrequency, Default::eqFrequencyMod);
+        if (!ensureEQ())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::EqFrequency, id, opcode.parameters[1] - 1), Default::eqFrequencyMod);
+        break;
+    case_any_ccN("lfo&_eq&freq"):
+        if (!ensureEQ())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::EqFrequency, id, opcode.parameters[1] - 1), Default::eqFrequencyMod);
         break;
     case hash("lfo&_eq&bw"):
-        LFO_EG_filter_EQ_target(ModId::LFO, ModId::EqBandwidth, Default::eqBandwidthMod);
+        if (!ensureEQ())
+            return false;
+        LFO_target(ModKey::createNXYZ(ModId::EqBandwidth, id, opcode.parameters[1] - 1), Default::eqBandwidthMod);
+        break;
+    case_any_ccN("lfo&_eq&bw"):
+        if (!ensureEQ())
+            return false;
+        LFO_target_cc(ModKey::createNXYZ(ModId::EqBandwidth, id, opcode.parameters[1] - 1), Default::eqBandwidthMod);
         break;
 
     default:
@@ -1344,15 +1388,30 @@ bool sfz::Region::parseEGOpcodeV2(const Opcode& opcode)
             return nullptr;
         return &eg.points[pointNumber];
     };
-    auto LFO_EG_filter_EQ_target = [this, &opcode, egNumber](ModId sourceId, ModId targetId, const OpcodeSpec<float>& spec) -> bool {
-        const unsigned index = opcode.parameters.size() == 2 ? opcode.parameters.back() - 1 : 0;
-        if (!extendIfNecessary(filters, index + 1, Default::numFilters))
-            return false;
-        const ModKey source = ModKey::createNXYZ(sourceId, id, egNumber);
-        const ModKey target = ModKey::createNXYZ(targetId, id, index);
+    auto EG_target = [this, &opcode, egNumber](const ModKey& target, const OpcodeSpec<float>& spec) -> bool {
+        const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
         getOrCreateConnection(source, target).sourceDepth = opcode.read(spec);
         return true;
     };
+    auto EG_target_cc = [this, &opcode, egNumber](const ModKey& target, const OpcodeSpec<float>& spec) -> bool {
+        const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
+        const ModKey depth = ModKey::getSourceDepthKey(source, target);
+        ASSERT(depth);
+        Connection& conn = getOrCreateConnection(source, target);
+        conn.sourceDepthMod = depth;
+        processGenericCc(opcode, spec, depth);
+        return true;
+    };
+    auto ensureFilter = [this, &opcode]() {
+        ASSERT(opcode.parameters.size() >= 2);
+        const unsigned index = opcode.parameters[1] - 1;
+        return extendIfNecessary(filters, index + 1, Default::numFilters);
+    };
+    auto ensureEQ = [this, &opcode]() {
+        ASSERT(opcode.parameters.size() >= 2);
+        const unsigned index = opcode.parameters[1] - 1;
+        return extendIfNecessary(equalizers, index + 1, Default::numEQs);
+    };
 
     //
     switch (opcode.lettersOnlyHash) {
@@ -1385,70 +1444,100 @@ bool sfz::Region::parseEGOpcodeV2(const Opcode& opcode)
 
     // Modulation: Flex EG (targets)
     case hash("eg&_amplitude"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Amplitude, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::amplitudeMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Amplitude, id), Default::amplitudeMod);
+        break;
+    case_any_ccN("eg&_amplitude"):
+        EG_target_cc(ModKey::createNXYZ(ModId::Amplitude, id), Default::amplitudeMod);
         break;
     case hash("eg&_pan"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Pan, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::panMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Pan, id), Default::panMod);
+        break;
+    case_any_ccN("eg&_pan"):
+        EG_target_cc(ModKey::createNXYZ(ModId::Pan, id), Default::panMod);
         break;
     case hash("eg&_width"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Width, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::widthMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Width, id), Default::widthMod);
+        break;
+    case_any_ccN("eg&_width"):
+        EG_target_cc(ModKey::createNXYZ(ModId::Width, id), Default::widthMod);
         break;
     case hash("eg&_position"): // sfizz extension
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Position, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::positionMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Position, id), Default::positionMod);
+        break;
+    case_any_ccN("eg&_position"): // sfizz extension
+        EG_target_cc(ModKey::createNXYZ(ModId::Position, id), Default::positionMod);
         break;
     case hash("eg&_pitch"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Pitch, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::pitchMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Pitch, id), Default::pitchMod);
+        break;
+    case_any_ccN("eg&_pitch"):
+        EG_target_cc(ModKey::createNXYZ(ModId::Pitch, id), Default::pitchMod);
         break;
     case hash("eg&_volume"):
-        {
-            const ModKey source = ModKey::createNXYZ(ModId::Envelope, id, egNumber);
-            const ModKey target = ModKey::createNXYZ(ModId::Volume, id);
-            getOrCreateConnection(source, target).sourceDepth =
-                opcode.read(Default::volumeMod);
-        }
+        EG_target(ModKey::createNXYZ(ModId::Volume, id), Default::volumeMod);
+        break;
+    case_any_ccN("eg&_volume"):
+        EG_target_cc(ModKey::createNXYZ(ModId::Volume, id), Default::volumeMod);
         break;
     case hash("eg&_cutoff&"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::FilCutoff, Default::filterCutoffMod);
+        if (!ensureFilter())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::FilCutoff, id, opcode.parameters[1] - 1), Default::filterCutoffMod);
+        break;
+    case_any_ccN("eg&_cutoff&"):
+        if (!ensureFilter())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::FilCutoff, id, opcode.parameters[1] - 1), Default::filterCutoffMod);
         break;
     case hash("eg&_resonance&"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::FilResonance, Default::filterResonanceMod);
+        if (!ensureFilter())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::FilResonance, id, opcode.parameters[1] - 1), Default::filterResonanceMod);
+        break;
+    case_any_ccN("eg&_resonance&"):
+        if (!ensureFilter())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::FilResonance, id, opcode.parameters[1] - 1), Default::filterResonanceMod);
         break;
     case hash("eg&_fil&gain"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::FilGain, Default::filterGainMod);
+        if (!ensureFilter())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::FilGain, id, opcode.parameters[1] - 1), Default::filterGainMod);
+        break;
+    case_any_ccN("eg&_fil&gain"):
+        if (!ensureFilter())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::FilGain, id, opcode.parameters[1] - 1), Default::filterGainMod);
         break;
     case hash("eg&_eq&gain"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::EqGain, Default::eqGainMod);
+        if (!ensureEQ())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::EqGain, id, opcode.parameters[1] - 1), Default::eqGainMod);
+        break;
+    case_any_ccN("eg&_eq&gain"):
+        if (!ensureEQ())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::EqGain, id, opcode.parameters[1] - 1), Default::eqGainMod);
         break;
     case hash("eg&_eq&freq"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::EqFrequency, Default::eqFrequencyMod);
+        if (!ensureEQ())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::EqFrequency, id, opcode.parameters[1] - 1), Default::eqFrequencyMod);
+        break;
+    case_any_ccN("eg&_eq&freq"):
+        if (!ensureEQ())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::EqFrequency, id, opcode.parameters[1] - 1), Default::eqFrequencyMod);
         break;
     case hash("eg&_eq&bw"):
-        LFO_EG_filter_EQ_target(ModId::Envelope, ModId::EqBandwidth, Default::eqBandwidthMod);
+        if (!ensureEQ())
+            return false;
+        EG_target(ModKey::createNXYZ(ModId::EqBandwidth, id, opcode.parameters[1] - 1), Default::eqBandwidthMod);
+        break;
+    case_any_ccN("eg&_eq&bw"):
+        if (!ensureEQ())
+            return false;
+        EG_target_cc(ModKey::createNXYZ(ModId::EqBandwidth, id, opcode.parameters[1] - 1), Default::eqBandwidthMod);
         break;
 
     case hash("eg&_ampeg"):
diff --git a/src/sfizz/modulations/ModId.cpp b/src/sfizz/modulations/ModId.cpp
index dcc70a44..2d57a69b 100644
--- a/src/sfizz/modulations/ModId.cpp
+++ b/src/sfizz/modulations/ModId.cpp
@@ -100,6 +100,54 @@ int ModIds::flags(ModId id) noexcept
         return kModIsPerVoice|kModIsAdditive;
     case ModId::LFOPhase:
         return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOAmplitudeDepth:
+        return kModIsPerVoice|kModIsMultiplicative;
+    case ModId::LFOPanDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOWidthDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOPositionDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOPitchDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOVolumeDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOFilCutoffDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOFilResonanceDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOFilGainDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOEqGainDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOEqFrequencyDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::LFOEqBandwidthDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGAmplitudeDepth:
+        return kModIsPerVoice|kModIsMultiplicative;
+    case ModId::EGPanDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGWidthDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGPositionDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGPitchDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGVolumeDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGFilCutoffDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGFilResonanceDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGFilGainDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGEqGainDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGEqFrequencyDepth:
+        return kModIsPerVoice|kModIsAdditive;
+    case ModId::EGEqBandwidthDepth:
+        return kModIsPerVoice|kModIsAdditive;
 
         // unknown
     default:
diff --git a/src/sfizz/modulations/ModId.h b/src/sfizz/modulations/ModId.h
index 1e18356f..b6a3e130 100644
--- a/src/sfizz/modulations/ModId.h
+++ b/src/sfizz/modulations/ModId.h
@@ -64,6 +64,30 @@ enum class ModId : int {
     LFOFrequency,
     LFOBeats,
     LFOPhase,
+    LFOAmplitudeDepth,
+    LFOPanDepth,
+    LFOWidthDepth,
+    LFOPositionDepth,
+    LFOPitchDepth,
+    LFOVolumeDepth,
+    LFOFilCutoffDepth,
+    LFOFilResonanceDepth,
+    LFOFilGainDepth,
+    LFOEqGainDepth,
+    LFOEqFrequencyDepth,
+    LFOEqBandwidthDepth,
+    EGAmplitudeDepth,
+    EGPanDepth,
+    EGWidthDepth,
+    EGPositionDepth,
+    EGPitchDepth,
+    EGVolumeDepth,
+    EGFilCutoffDepth,
+    EGFilResonanceDepth,
+    EGFilGainDepth,
+    EGEqGainDepth,
+    EGEqFrequencyDepth,
+    EGEqBandwidthDepth,
 
     _TargetsEnd,
     // [/targets] --------------------------------------------------------------
diff --git a/src/sfizz/modulations/ModKey.cpp b/src/sfizz/modulations/ModKey.cpp
index 3fef944f..107b0b34 100644
--- a/src/sfizz/modulations/ModKey.cpp
+++ b/src/sfizz/modulations/ModKey.cpp
@@ -170,11 +170,179 @@ std::string ModKey::toString() const
         return absl::StrCat("LFOBeats {", region_.number(), ", N=", 1 + params_.N, "}");
     case ModId::LFOPhase:
         return absl::StrCat("LFOPhase {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOAmplitudeDepth:
+        return absl::StrCat("LFOAmplitudeDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOPanDepth:
+        return absl::StrCat("LFOPanDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOWidthDepth:
+        return absl::StrCat("LFOWidthDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOPositionDepth:
+        return absl::StrCat("LFOPositionDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOPitchDepth:
+        return absl::StrCat("LFOPitchDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOVolumeDepth:
+        return absl::StrCat("LFOVolumeDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::LFOFilCutoffDepth:
+        return absl::StrCat("LFOFilCutoffDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::LFOFilResonanceDepth:
+        return absl::StrCat("LFOFilResonanceDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::LFOFilGainDepth:
+        return absl::StrCat("LFOFilGainDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::LFOEqGainDepth:
+        return absl::StrCat("LFOEqGainDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::LFOEqFrequencyDepth:
+        return absl::StrCat("LFOEqFrequencyDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::LFOEqBandwidthDepth:
+        return absl::StrCat("LFOEqBandwidthDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGAmplitudeDepth:
+        return absl::StrCat("EGAmplitudeDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGPanDepth:
+        return absl::StrCat("EGPanDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGWidthDepth:
+        return absl::StrCat("EGWidthDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGPositionDepth:
+        return absl::StrCat("EGPositionDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGPitchDepth:
+        return absl::StrCat("EGPitchDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGVolumeDepth:
+        return absl::StrCat("EGVolumeDepth {", region_.number(), ", N=", 1 + params_.N, "}");
+    case ModId::EGFilCutoffDepth:
+        return absl::StrCat("EGFilCutoffDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGFilResonanceDepth:
+        return absl::StrCat("EGFilResonanceDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGFilGainDepth:
+        return absl::StrCat("EGFilGainDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGEqGainDepth:
+        return absl::StrCat("EGEqGainDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGEqFrequencyDepth:
+        return absl::StrCat("EGEqFrequencyDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
+    case ModId::EGEqBandwidthDepth:
+        return absl::StrCat("EGEqBandwidthDepth {", region_.number(), ", N=", 1 + params_.N, ", X=", 1 + params_.X, "}");
 
     default:
         return {};
     }
 }
 
+ModKey ModKey::getSourceDepthKey(ModKey source, ModKey target)
+{
+    const NumericId<Region> region = source.region();
+    const ModKey::Parameters& tp = target.parameters();
+
+    switch (source.id()) {
+    case ModId::AmpLFO:
+        switch (target.id()) {
+        case ModId::Volume:
+            return ModKey::createNXYZ(ModId::AmpLFODepth, region);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::PitchLFO:
+        switch (target.id()) {
+        case ModId::Pitch:
+            return ModKey::createNXYZ(ModId::PitchLFODepth, region);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::FilLFO:
+        switch (target.id()) {
+        case ModId::FilCutoff:
+            return ModKey::createNXYZ(ModId::FilLFODepth, region);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::PitchEG:
+        switch (target.id()) {
+        case ModId::Pitch:
+            return ModKey::createNXYZ(ModId::PitchEGDepth, region);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::FilEG:
+        switch (target.id()) {
+        case ModId::FilCutoff:
+            return ModKey::createNXYZ(ModId::FilEGDepth, region);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::LFO:
+        switch (target.id()) {
+        case ModId::Amplitude:
+            return ModKey::createNXYZ(ModId::LFOAmplitudeDepth, region, tp.N);
+        case ModId::Pan:
+            return ModKey::createNXYZ(ModId::LFOPanDepth, region, tp.N);
+        case ModId::Width:
+            return ModKey::createNXYZ(ModId::LFOWidthDepth, region, tp.N);
+        case ModId::Position:
+            return ModKey::createNXYZ(ModId::LFOPositionDepth, region, tp.N);
+        case ModId::Pitch:
+            return ModKey::createNXYZ(ModId::LFOPitchDepth, region, tp.N);
+        case ModId::Volume:
+            return ModKey::createNXYZ(ModId::LFOVolumeDepth, region, tp.N);
+        case ModId::FilCutoff:
+            return ModKey::createNXYZ(ModId::LFOFilCutoffDepth, region, tp.N, tp.X);
+        case ModId::FilResonance:
+            return ModKey::createNXYZ(ModId::LFOFilResonanceDepth, region, tp.N, tp.X);
+        case ModId::FilGain:
+            return ModKey::createNXYZ(ModId::LFOFilGainDepth, region, tp.N, tp.X);
+        case ModId::EqGain:
+            return ModKey::createNXYZ(ModId::LFOEqGainDepth, region, tp.N, tp.X);
+        case ModId::EqFrequency:
+            return ModKey::createNXYZ(ModId::LFOEqFrequencyDepth, region, tp.N, tp.X);
+        case ModId::EqBandwidth:
+            return ModKey::createNXYZ(ModId::LFOEqBandwidthDepth, region, tp.N, tp.X);
+        default:
+            break;
+        }
+        break;
+
+    case ModId::Envelope:
+        switch (target.id()) {
+        case ModId::Amplitude:
+            return ModKey::createNXYZ(ModId::EGAmplitudeDepth, region, tp.N);
+        case ModId::Pan:
+            return ModKey::createNXYZ(ModId::EGPanDepth, region, tp.N);
+        case ModId::Width:
+            return ModKey::createNXYZ(ModId::EGWidthDepth, region, tp.N);
+        case ModId::Position:
+            return ModKey::createNXYZ(ModId::EGPositionDepth, region, tp.N);
+        case ModId::Pitch:
+            return ModKey::createNXYZ(ModId::EGPitchDepth, region, tp.N);
+        case ModId::Volume:
+            return ModKey::createNXYZ(ModId::EGVolumeDepth, region, tp.N);
+        case ModId::FilCutoff:
+            return ModKey::createNXYZ(ModId::EGFilCutoffDepth, region, tp.N, tp.X);
+        case ModId::FilResonance:
+            return ModKey::createNXYZ(ModId::EGFilResonanceDepth, region, tp.N, tp.X);
+        case ModId::FilGain:
+            return ModKey::createNXYZ(ModId::EGFilGainDepth, region, tp.N, tp.X);
+        case ModId::EqGain:
+            return ModKey::createNXYZ(ModId::EGEqGainDepth, region, tp.N, tp.X);
+        case ModId::EqFrequency:
+            return ModKey::createNXYZ(ModId::EGEqFrequencyDepth, region, tp.N, tp.X);
+        case ModId::EqBandwidth:
+            return ModKey::createNXYZ(ModId::EGEqBandwidthDepth, region, tp.N, tp.X);
+        default:
+            break;
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return {};
+}
+
 } // namespace sfz
 
diff --git a/src/sfizz/modulations/ModKey.h b/src/sfizz/modulations/ModKey.h
index 69dc50b3..92f11ca4 100644
--- a/src/sfizz/modulations/ModKey.h
+++ b/src/sfizz/modulations/ModKey.h
@@ -42,6 +42,12 @@ public:
     bool isTarget() const noexcept;
     std::string toString() const;
 
+    /**
+     * @brief Obtain the modulation key of the source depth, in the connection
+     * between source and target, if such a key exists.
+     */
+    static ModKey getSourceDepthKey(ModKey source, ModKey target);
+
     struct RawParameters {
         union {
             //! Parameters if this key identifies a CC source
diff --git a/src/sfizz/modulations/ModMatrix.cpp b/src/sfizz/modulations/ModMatrix.cpp
index 3d780ef4..7c64244f 100644
--- a/src/sfizz/modulations/ModMatrix.cpp
+++ b/src/sfizz/modulations/ModMatrix.cpp
@@ -423,7 +423,12 @@ float* ModMatrix::getModulation(TargetId targetId)
                     for (uint32_t i = 0; i < numFrames; ++i)
                         buffer[i] = sourceDepth * sourceBuffer[i];
                 }
+                else if (targetFlags & kModIsMultiplicative) {
+                    for (uint32_t i = 0; i < numFrames; ++i)
+                        buffer[i] = (sourceDepth * sourceDepthMod[i]) * sourceBuffer[i];
+                }
                 else {
+                    ASSERT(targetFlags & kModIsAdditive);
                     for (uint32_t i = 0; i < numFrames; ++i)
                         buffer[i] = (sourceDepth + sourceDepthMod[i]) * sourceBuffer[i];
                 }
@@ -435,7 +440,7 @@ float* ModMatrix::getModulation(TargetId targetId)
                         multiplyMul1<float>(sourceDepth, sourceBuffer, buffer);
                     else {
                         for (uint32_t i = 0; i < numFrames; ++i)
-                            buffer[i] *= (sourceDepth + sourceDepthMod[i]) * sourceBuffer[i];
+                            buffer[i] *= (sourceDepth * sourceDepthMod[i]) * sourceBuffer[i];
                     }
                 }
                 else {