diff --git a/sources/FilePool.cpp b/sources/FilePool.cpp
index c66e7fc8..f46013f4 100644
--- a/sources/FilePool.cpp
+++ b/sources/FilePool.cpp
@@ -1,6 +1,11 @@
 #include "FilePool.h"
+#include "Globals.h"
+#include "absl/types/span.h"
 #include <chrono>
+#include <fstream>
 #include <memory>
+#include <sstream>
+#include <string>
 using namespace std::chrono_literals;
 
 std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(std::string_view filename)
@@ -10,21 +15,47 @@ std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(
         return {};
 
     SndfileHandle sndFile(reinterpret_cast<const char*>(file.c_str()));
+    if (sndFile.channels() != 1 && sndFile.channels() != 2) {
+        DBG("Missing logic for " << sndFile.channels() <<", discarding sample " << filename);
+        return {};
+    }
     FileInformation returnedValue;
     returnedValue.end = static_cast<uint32_t>(sndFile.frames());
     returnedValue.sampleRate = static_cast<double>(sndFile.samplerate());
     SF_INSTRUMENT instrumentInfo;
     sndFile.command(SFC_GET_INSTRUMENT, &instrumentInfo, sizeof(instrumentInfo));
-
     if (instrumentInfo.loop_count == 1) {
         returnedValue.loopBegin = instrumentInfo.loops[0].start;
         returnedValue.loopEnd = instrumentInfo.loops[0].end;
     }
-    auto preloadedSize = std::min(returnedValue.end, static_cast<uint32_t>(config::preloadSize));
+
+    const auto preloadedSize = [&]() {
+        if (config::preloadSize == 0)
+            return returnedValue.end;
+        else
+            return std::min(returnedValue.end, static_cast<uint32_t>(config::preloadSize));
+    }();
     returnedValue.preloadedData = std::make_shared<StereoBuffer<float>>(preloadedSize);
-    sndFile.readf(tempReadBuffer.data(), preloadedSize);
-    returnedValue.preloadedData->readInterleaved(absl::MakeSpan(tempReadBuffer).first(preloadedSize));
     preloadedData[filename] = returnedValue.preloadedData;
+    // auto tempReadBuffer = std::make_unique<Buffer<float>>(2 * preloadedSize);
+    if (sndFile.channels() == 1) {
+        tempReadBuffer.resize(preloadedSize);
+        sndFile.readf(tempReadBuffer.data(), preloadedSize);
+        std::copy(tempReadBuffer.begin(), tempReadBuffer.end(), returnedValue.preloadedData->begin(Channel::left));
+        std::copy(tempReadBuffer.begin(), tempReadBuffer.end(), returnedValue.preloadedData->begin(Channel::right));
+    } else if (sndFile.channels() == 2) {
+        tempReadBuffer.resize(preloadedSize * 2);
+        sndFile.readf(tempReadBuffer.data(), preloadedSize);
+        returnedValue.preloadedData->readInterleaved(tempReadBuffer);
+    }
+    // std::stringstream dumpName { };
+    // dumpName << filename <<  ".preloaded" << preloadedFilesWritten << ".bin";
+    // dumpName << filename <<  ".preloaded" << ".bin";
+    // std::ofstream ofile(dumpName.str(), std::ios::binary);
+    // preloadedFilesWritten++;
+    // for (auto& floatValue: tempReadBuffer)
+    //     ofile.write((char*) &floatValue, sizeof(float));
+    // ofile.close();
     // char  buffer [2048] ;
     // sndFile.command(SFC_GET_LOG_INFO, buffer, sizeof(buffer)) ;
     // DBG(buffer);
@@ -58,13 +89,19 @@ void sfz::FilePool::loadingThread()
         }
 
         SndfileHandle sndFile(reinterpret_cast<const char*>(file.c_str()));
-        // auto deleteAndTrackBuffers = [this]
-        std::unique_ptr<StereoBuffer<float>, std::function<void(StereoBuffer<float>*)>> fileLoaded(new StereoBuffer<float>(fileToLoad.numFrames), deleteAndTrackBuffers);
-        auto readBuffer = std::make_unique<Buffer<float>>(fileToLoad.numFrames * 2);
-        sndFile.readf(readBuffer->data(), fileToLoad.numFrames);
-        fileLoaded->readInterleaved(*readBuffer);
-        ASSERT(fileLoaded != nullptr);
-        fileBuffers++;
+        auto fileLoaded = std::make_unique<StereoBuffer<float>>(fileToLoad.numFrames);
+        if (sndFile.channels() == 1) {
+            tempReadBuffer.resize(fileToLoad.numFrames);
+            sndFile.readf(tempReadBuffer.data(), fileToLoad.numFrames);
+            std::copy(tempReadBuffer.begin(), tempReadBuffer.end(), fileLoaded->begin(Channel::left));
+            std::copy(tempReadBuffer.begin(), tempReadBuffer.end(), fileLoaded->begin(Channel::right));
+        } else if (sndFile.channels() == 2) {
+            tempReadBuffer.resize(fileToLoad.numFrames * 2);
+            sndFile.readf(tempReadBuffer.data(), fileToLoad.numFrames);
+            fileLoaded->readInterleaved(tempReadBuffer);
+        }
+        // std::unique_ptr<StereoBuffer<float>, std::function<void(StereoBuffer<float>*)>> fileLoaded(new StereoBuffer<float>(framesRead), deleteAndTrackBuffers);
+        // fileBuffers++;
         fileToLoad.voice->setFileData(std::move(fileLoaded));
     }
 }
\ No newline at end of file
diff --git a/sources/FilePool.h b/sources/FilePool.h
index 93aa9e1d..d106874b 100644
--- a/sources/FilePool.h
+++ b/sources/FilePool.h
@@ -55,14 +55,12 @@ private:
     };
 
     inline static std::atomic<int> fileBuffers { 0 };
-
+    int preloadedFilesWritten {0};
     moodycamel::BlockingReaderWriterQueue<FileLoadingInformation> loadingQueue;
     void loadingThread();
     std::thread fileLoadingThread;
     bool quitThread { false };
-    Buffer<float> tempReadBuffer { config::preloadSize * 2 };
-
-    // std::map<std::string_view, std::shared_ptr<StereoBuffer<float>>> preloadedData;
+    Buffer<float> tempReadBuffer;
     absl::flat_hash_map<std::string_view, std::shared_ptr<StereoBuffer<float>>> preloadedData;
     LEAK_DETECTOR(FilePool);
 };
diff --git a/sources/Globals.h b/sources/Globals.h
index 8d44c3d4..c0cfd887 100644
--- a/sources/Globals.h
+++ b/sources/Globals.h
@@ -27,6 +27,7 @@ constexpr bool fill { true };
 constexpr bool gain { false };
 constexpr bool mathfuns { false };
 constexpr bool loopingSFZIndex { true };
+constexpr bool saturatingSFZIndex { true };
 constexpr bool linearRamp { false };
 constexpr bool multiplicativeRamp { true };
 constexpr bool add { false };
diff --git a/sources/Main.cpp b/sources/Main.cpp
index 5ca3fa42..09157218 100644
--- a/sources/Main.cpp
+++ b/sources/Main.cpp
@@ -92,7 +92,7 @@ int process(jack_nframes_t numFrames, void* arg [[maybe_unused]])
             break;
         }
     }
-
+    // DBG("Num frames: " << numFrames);
     StereoSpan<float> output {
         jack_port_get_buffer(outputPort1, numFrames),
         jack_port_get_buffer(outputPort2, numFrames), 
@@ -100,6 +100,7 @@ int process(jack_nframes_t numFrames, void* arg [[maybe_unused]])
     };
 
     synth->renderBlock(output);
+
     return 0;
 }
 
diff --git a/sources/Region.cpp b/sources/Region.cpp
index 09ae77a0..58615c35 100644
--- a/sources/Region.cpp
+++ b/sources/Region.cpp
@@ -323,6 +323,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         break;
     case hash("pitch_random"):
         setValueFromOpcode(opcode, pitchRandom, Default::pitchRandomRange);
+        pitchDistribution.param(std::uniform_int_distribution<int>::param_type(-pitchRandom, pitchRandom));
         break;
     case hash("transpose"):
         setValueFromOpcode(opcode, transpose, Default::transposeRange);
diff --git a/sources/Region.h b/sources/Region.h
index 5654e198..043f14a7 100644
--- a/sources/Region.h
+++ b/sources/Region.h
@@ -32,6 +32,16 @@ struct Region {
     void registerAftertouch(int channel, uint8_t aftertouch);
     void registerTempo(float secondsPerQuarter);
     bool isStereo() const noexcept;
+    float getBasePitchVariation(int noteNumber, uint8_t velocity) noexcept
+    {
+        auto pitchVariationInCents = pitchKeytrack * (noteNumber - (int)pitchKeycenter); // note difference with pitch center
+        pitchVariationInCents += tune; // sample tuning
+        pitchVariationInCents += config::centPerSemitone * transpose; // sample transpose
+        pitchVariationInCents += velocity / 127 * pitchVeltrack; // track velocity
+        if (pitchRandom > 0)
+            pitchVariationInCents += pitchDistribution(Random::randomGenerator); // random pitch changes
+        return centsFactor(pitchVariationInCents);
+    }
     float getBaseGain()
     {
         float baseGaindB { volume };
@@ -51,6 +61,13 @@ struct Region {
     {
         return min(sampleEnd, loopRange.getEnd());
     }
+    bool canUsePreloadedData()
+    {
+        if (preloadedData == nullptr)
+            return false;
+
+        return trueSampleEnd() < static_cast<uint32_t>(preloadedData->getNumFrames());
+    }
 
     bool parseOpcode(const Opcode& opcode);
     // Sound source: sample playback
@@ -152,6 +169,7 @@ private:
     std::uniform_real_distribution<float> gainDistribution { -sfz::Default::ampRandom, sfz::Default::ampRandom };
     std::uniform_real_distribution<float> delayDistribution { 0, sfz::Default::delayRandom };
     std::uniform_int_distribution<uint32_t> offsetDistribution { 0, sfz::Default::offsetRandom };
+    std::uniform_int_distribution<int> pitchDistribution { -sfz::Default::pitchRandom, sfz::Default::pitchRandom };
     LEAK_DETECTOR(Region);
 };
 
diff --git a/sources/SIMDDummy.cpp b/sources/SIMDDummy.cpp
index 815f9137..9bd13329 100644
--- a/sources/SIMDDummy.cpp
+++ b/sources/SIMDDummy.cpp
@@ -56,11 +56,18 @@ void applyGain<float, true>(absl::Span<const float> gain, absl::Span<const float
 }
 
 template <>
-void loopingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeff, absl::Span<float> rightCoeff, absl::Span<int> indices, float floatIndex, float loopEnd, float loopStart) noexcept
+float loopingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeff, absl::Span<float> rightCoeff, absl::Span<int> indices, float floatIndex, float loopEnd, float loopStart) noexcept
 {
-    loopingSFZIndex<float, false>(jumps, leftCoeff, rightCoeff, indices, floatIndex, loopEnd, loopStart);
+    return loopingSFZIndex<float, false>(jumps, leftCoeff, rightCoeff, indices, floatIndex, loopEnd, loopStart);
 }
 
+template <>
+float saturatingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeff, absl::Span<float> rightCoeff, absl::Span<int> indices, float floatIndex, float loopEnd) noexcept
+{
+    return saturatingSFZIndex<float, false>(jumps, leftCoeff, rightCoeff, indices, floatIndex, loopEnd);
+}
+
+
 template <>
 float linearRamp<float, true>(absl::Span<float> output, float start, float step) noexcept
 {
diff --git a/sources/SIMDHelpers.h b/sources/SIMDHelpers.h
index 9792d13f..7bb34d09 100644
--- a/sources/SIMDHelpers.h
+++ b/sources/SIMDHelpers.h
@@ -133,7 +133,7 @@ inline void snippetSaturatingIndex(const T*& jump, T*& leftCoeff, T*& rightCoeff
 }
 
 template <class T, bool SIMD = SIMDConfig::saturatingSFZIndex>
-void saturatingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, absl::Span<T> rightCoeffs, absl::Span<int> indices, T floatIndex, T loopEnd) noexcept
+float saturatingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, absl::Span<T> rightCoeffs, absl::Span<int> indices, T floatIndex, T loopEnd) noexcept
 {
     ASSERT(indices.size() >= jumps.size());
     ASSERT(indices.size() == leftCoeffs.size());
@@ -148,10 +148,11 @@ void saturatingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, abs
 
     while (jump < sentinel)
         snippetSaturatingIndex<T>(jump, leftCoeff, rightCoeff, index, floatIndex, loopEnd);
+    return floatIndex;
 }
 
 template <>
-void saturatingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeffs, absl::Span<float> rightCoeffs, absl::Span<int> indices, float floatIndex, float loopEnd) noexcept;
+float saturatingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeffs, absl::Span<float> rightCoeffs, absl::Span<int> indices, float floatIndex, float loopEnd) noexcept;
 
 template <class T>
 inline void snippetLoopingIndex(const T*& jump, T*& leftCoeff, T*& rightCoeff, int*& index, T& floatIndex, T loopEnd, T loopStart)
@@ -169,7 +170,7 @@ inline void snippetLoopingIndex(const T*& jump, T*& leftCoeff, T*& rightCoeff, i
 }
 
 template <class T, bool SIMD = SIMDConfig::loopingSFZIndex>
-void loopingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, absl::Span<T> rightCoeffs, absl::Span<int> indices, T floatIndex, T loopEnd, T loopStart) noexcept
+float loopingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, absl::Span<T> rightCoeffs, absl::Span<int> indices, T floatIndex, T loopEnd, T loopStart) noexcept
 {
     ASSERT(indices.size() >= jumps.size());
     ASSERT(indices.size() == leftCoeffs.size());
@@ -184,10 +185,11 @@ void loopingSFZIndex(absl::Span<const T> jumps, absl::Span<T> leftCoeffs, absl::
 
     while (jump < sentinel)
         snippetLoopingIndex<T>(jump, leftCoeff, rightCoeff, index, floatIndex, loopEnd, loopStart);
+    return floatIndex;
 }
 
 template <>
-void loopingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeff, absl::Span<float> rightCoeff, absl::Span<int> indices, float floatIndex, float loopEnd, float loopStart) noexcept;
+float loopingSFZIndex<float, true>(absl::Span<const float> jumps, absl::Span<float> leftCoeff, absl::Span<float> rightCoeff, absl::Span<int> indices, float floatIndex, float loopEnd, float loopStart) noexcept;
 
 template <class T>
 inline void snippetGain(T gain, const T*& input, T*& output)
diff --git a/sources/SIMDSSE.cpp b/sources/SIMDSSE.cpp
index 98591445..b9e55bdc 100644
--- a/sources/SIMDSSE.cpp
+++ b/sources/SIMDSSE.cpp
@@ -283,7 +283,7 @@ void applyGain<float, true>(absl::Span<const float> gain, absl::Span<const float
 }
 
 template <>
-void loopingSFZIndex<float, true>(absl::Span<const float> jumps,
+float loopingSFZIndex<float, true>(absl::Span<const float> jumps,
     absl::Span<float> leftCoeffs,
     absl::Span<float> rightCoeffs,
     absl::Span<int> indices,
@@ -341,10 +341,11 @@ void loopingSFZIndex<float, true>(absl::Span<const float> jumps,
     floatIndex = _mm_cvtss_f32(mmFloatIndex);
     while (jump < sentinel)
         snippetLoopingIndex<float>(jump, leftCoeff, rightCoeff, index, floatIndex, loopEnd, loopStart);
+    return floatIndex;
 }
 
 template <>
-void saturatingSFZIndex<float, true>(absl::Span<const float> jumps,
+float saturatingSFZIndex<float, true>(absl::Span<const float> jumps,
     absl::Span<float> leftCoeffs,
     absl::Span<float> rightCoeffs,
     absl::Span<int> indices,
@@ -398,6 +399,7 @@ void saturatingSFZIndex<float, true>(absl::Span<const float> jumps,
     floatIndex = _mm_cvtss_f32(mmFloatIndex);
     while (jump < sentinel)
         snippetSaturatingIndex<float>(jump, leftCoeff, rightCoeff, index, floatIndex, loopEnd);
+    return floatIndex;
 }
 
 template <>
diff --git a/sources/StereoSpan.h b/sources/StereoSpan.h
index 561c4320..b3249542 100644
--- a/sources/StereoSpan.h
+++ b/sources/StereoSpan.h
@@ -34,7 +34,14 @@ public:
         ASSERT(leftBuffer.size() == rightBuffer.size());
     }
 
-    StereoSpan(StereoBuffer<const ValueType>& buffer)
+    StereoSpan(StereoBuffer<ValueType>&& buffer)
+        : numFrames(buffer.getNumFrames())
+        , leftBuffer(buffer.getSpan(Channel::left))
+        , rightBuffer(buffer.getSpan(Channel::right))
+    {
+    }
+
+    StereoSpan(StereoBuffer<const ValueType>&& buffer)
         : leftBuffer(buffer.getConstSpan(Channel::left))
         , rightBuffer(buffer.getConstSpan(Channel::right))
         , numFrames(buffer.getNumFrames())
@@ -48,6 +55,13 @@ public:
     {
     }
 
+    StereoSpan(StereoBuffer<const ValueType>& buffer)
+        : leftBuffer(buffer.getConstSpan(Channel::left))
+        , rightBuffer(buffer.getConstSpan(Channel::right))
+        , numFrames(buffer.getNumFrames())
+    {
+    }
+
     StereoSpan(StereoBuffer<ValueType>& buffer, size_t numFrames)
         : numFrames(numFrames)
         , leftBuffer(buffer.getSpan(Channel::left).first(numFrames))
@@ -74,6 +88,7 @@ public:
         , leftBuffer(span.left())
         , rightBuffer(span.right())
     {
+
     }
 
     void fill(Type value) noexcept
diff --git a/sources/Synth.h b/sources/Synth.h
index 46cdd8d0..3ad41821 100644
--- a/sources/Synth.h
+++ b/sources/Synth.h
@@ -62,11 +62,11 @@ public:
     {
         ScopedFTZ ftz;
         buffer.fill(0.0f);
-
         StereoSpan<float> tempSpan { tempBuffer, buffer.size() };
         for (auto& voice : voices) {
             voice->renderBlock(tempSpan);
             buffer.add(tempSpan);
+            tempBuffer.fill(0.0f);
         }
     }
 
@@ -108,6 +108,7 @@ public:
             }
         }
     }
+
     void cc(int delay, int channel, int ccNumber, uint8_t ccValue)
     {
         for (auto& voice : voices)
@@ -155,7 +156,7 @@ private:
                     activeVoices++;
             }
             DBG("Active voices:" << activeVoices << " | Stray buffers: " << FilePool::getFileBuffers());
-            std::this_thread::sleep_for(1s);
+            std::this_thread::sleep_for(200ms);
         }
     }
 
diff --git a/sources/Voice.h b/sources/Voice.h
index 07e8d885..66af1ac7 100644
--- a/sources/Voice.h
+++ b/sources/Voice.h
@@ -41,10 +41,11 @@ public:
 
         state = State::playing;
         speedRatio = static_cast<float>(region->sampleRate / this->sampleRate);
+        pitchRatio = region->getBasePitchVariation(number, value);
         baseGain = region->getBaseGain();
         sourcePosition = region->getOffset();
         initialDelay = delay + region->getDelay();
-        baseFrequency = midiNoteFrequency(number);
+        baseFrequency = midiNoteFrequency(number) * pitchRatio;
         prepareEGEnvelope(delay, value);
     }
 
@@ -64,10 +65,10 @@ public:
             normalizePercents(region->amplitudeEG.getStart(ccState, velocity)));
     }
 
-    void setFileData(std::unique_ptr<StereoBuffer<float>, std::function<void(StereoBuffer<float>*)>> file)
+    void setFileData(std::unique_ptr<StereoBuffer<float>> file)
     {
         fileData = std::move(file);
-        dataReady.store(true, std::memory_order_seq_cst);
+        dataReady.store(true);
     }
 
     bool isFree()
@@ -114,8 +115,10 @@ public:
         this->samplesPerBlock = samplesPerBlock;
         tempBuffer1.resize(samplesPerBlock);
         tempBuffer2.resize(samplesPerBlock);
+        indexBuffer.resize(samplesPerBlock);
         tempSpan1 = absl::MakeSpan(tempBuffer1);
         tempSpan2 = absl::MakeSpan(tempBuffer2);
+        indexSpan = absl::MakeSpan(indexBuffer);
     }
 
     void renderBlock(StereoSpan<float> buffer)
@@ -129,13 +132,14 @@ public:
 
         if (region->isGenerator())
             fillWithGenerator(buffer);
-        else
+        else 
             fillWithData(buffer);
 
-        egEnvelope.getBlock(tempSpan1.first(numSamples));
-        buffer.applyGain(tempSpan1);
+        // buffer.applyGain(baseGain);
 
-        buffer.applyGain(baseGain);
+        auto envelopeSpan = tempSpan1.first(numSamples);
+        egEnvelope.getBlock(envelopeSpan);
+        // buffer.applyGain(envelopeSpan);
 
         if (!egEnvelope.isSmoothing())
             reset();
@@ -143,20 +147,57 @@ public:
 
     void fillWithData(StereoSpan<float> buffer)
     {
-        const StereoSpan<const float> source([&]() -> StereoBuffer<float>& {
-            // TODO: shouldn't need to check fileData here, something is a bit strange...
-            if (dataReady.load(std::memory_order_seq_cst) && fileData != nullptr)
-                return *fileData;
+        auto source { [&]() {
+            if (region->canUsePreloadedData() || !dataReady)
+                return StereoSpan<const float>(*region->preloadedData);
             else
-                return *region->preloadedData;
-        }());
+                return StereoSpan<const float>(*fileData);
+        }()};
 
-        const auto actualBlockSize = min(buffer.size(), source.size() - sourcePosition);
-        buffer.add(source.subspan(sourcePosition, actualBlockSize));
-        sourcePosition += actualBlockSize;
+        auto indices = indexSpan.first(buffer.size());
+        auto jumps = tempSpan1.first(buffer.size());
+        auto leftCoeffs = tempSpan1.first(buffer.size());
+        auto rightCoeffs = tempSpan2.first(buffer.size());
 
-        if (sourcePosition == source.size())
+        ::fill<float>(jumps, pitchRatio * speedRatio);
+        if (region->shouldLoop() && region->trueSampleEnd() <= source.size()) {
+            floatPosition = ::loopingSFZIndex<float, false>(
+                jumps,
+                leftCoeffs,
+                rightCoeffs,
+                indices,
+                floatPosition,
+                region->trueSampleEnd() - 1,
+                region->loopRange.getStart());
+        } else {
+            floatPosition = ::saturatingSFZIndex<float, false>(
+                jumps,
+                leftCoeffs,
+                rightCoeffs,
+                indices,
+                floatPosition,
+                source.size() - 1);
+        }
+
+        auto ind = indices.data();
+        auto leftCoeff = leftCoeffs.data();
+        auto rightCoeff = rightCoeffs.data();
+        auto left = buffer.left().data();
+        auto right = buffer.right().data();
+        while (ind < indices.end()) {
+            *left = source.left()[*ind] * (*leftCoeff) + source.left()[*ind + 1] * (*rightCoeff);
+            *right = source.right()[*ind] * (*leftCoeff) + source.right()[*ind + 1] * (*rightCoeff);
+            left++;
+            right++;
+            ind++;
+            leftCoeff++;
+            rightCoeff++;
+        }
+
+        if (!region->shouldLoop() && (floatPosition + 1.01) > source.size()) {
+            DBG("Releasing " << region->sample);
             egEnvelope.startRelease(buffer.size());
+        }
     }
 
     void fillWithGenerator(StereoSpan<float> buffer)
@@ -168,7 +209,7 @@ public:
         phase = ::linearRamp<float>(tempSpan1, phase, step);
         ::sin<float>(tempSpan1.first(buffer.size()), buffer.left());
         absl::c_copy(buffer.left(), buffer.right().begin());
-        
+
         sourcePosition += buffer.size();
     }
 
@@ -209,6 +250,8 @@ public:
         if (region != nullptr) {
             DBG("Reset voice with sample " << region->sample);
         }
+        sourcePosition = 0;
+        floatPosition = 0.0f;
         region = nullptr;
         noteIsOff = false;
     }
@@ -242,15 +285,19 @@ private:
     float phase { 0.0f };
 
     uint32_t sourcePosition { 0 };
+    float floatPosition { 0.0f };
     uint32_t initialDelay { 0 };
 
     std::atomic<bool> dataReady { false };
-    std::unique_ptr<StereoBuffer<float>, std::function<void(StereoBuffer<float>*)>> fileData { nullptr };
+    // std::unique_ptr<StereoBuffer<float>, std::function<void(StereoBuffer<float>*)>> fileData { nullptr };
+    std::unique_ptr<StereoBuffer<float>> fileData { nullptr };
 
     Buffer<float> tempBuffer1;
     Buffer<float> tempBuffer2;
+    Buffer<int> indexBuffer;
     absl::Span<float> tempSpan1 { absl::MakeSpan(tempBuffer1) };
     absl::Span<float> tempSpan2 { absl::MakeSpan(tempBuffer2) };
+    absl::Span<int> indexSpan { absl::MakeSpan(indexBuffer) };
 
     int samplesPerBlock { config::defaultSamplesPerBlock };
     double sampleRate { config::defaultSampleRate };