diff --git a/Assets/web/src/App.js b/Assets/web/src/App.js
index 8269b1a..fc5b5d4 100644
--- a/Assets/web/src/App.js
+++ b/Assets/web/src/App.js
@@ -48,6 +48,7 @@ function App() {
   return (
     <div>
       <Container>
+        <JuceSlider identifier="harmonyMix" title="Mix" />
         <JuceSlider identifier="formantPreserve" title="Formant" />
         <JuceSlider identifier="autoTuneSpeed" title="Auto Tune Speed" />
         <JuceSlider identifier="autoTuneDepth" title="Auto Tune Depth" />
diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index 99f5e77..f8b278e 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -66,6 +66,7 @@ void WebViewPluginAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer,
 	shifter.SetAutoTuneSpeed(state.getParameterAsValue("autoTuneSpeed").getValue());
 	shifter.SetAutoTuneDepth(state.getParameterAsValue("autoTuneDepth").getValue());
 	shifter.SetPortamentoTime(state.getParameterAsValue("portTime").getValue());
+	shifter.SetHarmonyMix(state.getParameterAsValue("harmonyMix").getValue());
 	juce::AudioBuffer<float> const_buff;
 	const_buff.makeCopyOf(buffer);
 	shifter.Process(const_buff.getArrayOfReadPointers(), (float**)buffer.getArrayOfWritePointers(), buffer.getNumSamples());
diff --git a/Source/PluginProcessor.h b/Source/PluginProcessor.h
index e31a8ae..825b81c 100644
--- a/Source/PluginProcessor.h
+++ b/Source/PluginProcessor.h
@@ -72,6 +72,14 @@ public:
 				"AutoTune Speed",
 				NormalisableRange<float> {0.001f, 0.1f, .001f},
 				.5f);
+
+			sliderIds.push_back("harmonyMix");
+			addToLayout<AudioParameterFloat>(layout,
+				ParameterID("harmonyMix"),
+				"Harmony Mix",
+				NormalisableRange<float> {0.0f, 1.0f, .01f},
+				.01f);
+
 			sliderIds.push_back("portTime");
 			addToLayout<AudioParameterFloat>(layout,
 				ParameterID("portTime"),
diff --git a/Source/Shifter.cpp b/Source/Shifter.cpp
index f8139c9..8b9d287 100644
--- a/Source/Shifter.cpp
+++ b/Source/Shifter.cpp
@@ -205,12 +205,12 @@ void Shifter::AddInterpolatedFrame(int voice, int max_index, float resampling_pe
         float value = ((1 - interp) * in_buffer[(int)f_index] + (interp)*in_buffer[(int)(f_index + 1) % 8192]) * mult;
         if(voice >= MAX_VOICES) {
             //value *= volume;
-            out_buffer[0][out_index] += value;
-            out_buffer[1][out_index] += value;
+            out_buffer[0][out_index] += value * melody_mix;
+            out_buffer[1][out_index] += value * melody_mix;
         } else {
             value *= voices[voice].CurrentAmplitude() * volume;
-            out_buffer[0][out_index] += value * voices[voice].GetPanning(0);
-            out_buffer[1][out_index] += value * voices[voice].GetPanning(1);
+            out_buffer[0][out_index] += value * voices[voice].GetPanning(0) * harmony_mix;
+            out_buffer[1][out_index] += value * voices[voice].GetPanning(1) * harmony_mix;
 		}
         
 
@@ -307,4 +307,15 @@ void Shifter::RemoveMidiNote(int note) {
             voices[i].Release();
         }
     }
+}
+
+void Shifter::SetHarmonyMix(float mix) {
+    if (mix < .5) {
+		melody_mix = 1.0f;
+		harmony_mix = mix * 2.0f;
+    }
+    else {
+		harmony_mix = 1.0f;
+		melody_mix = (1.0f - mix) * 2.0f;
+    }
 }
\ No newline at end of file
diff --git a/Source/Shifter.h b/Source/Shifter.h
index a2eb829..243f8fc 100644
--- a/Source/Shifter.h
+++ b/Source/Shifter.h
@@ -156,6 +156,7 @@ public:
 	}
 	float getInputPitch() const { return sample_rate_ / in_period; }
 	float getOutputPitch() const { return sample_rate_ / out_period; }
+    void SetHarmonyMix(float mix);
 
     float out_midi = 40;
     ShifterVoice voices[MAX_VOICES];
@@ -185,6 +186,8 @@ private:
     double smear_step = 0.003;
     bool onset_trigger = false;
     bool pitch_trigger = false;
+	float harmony_mix = 0.0f;
+	float melody_mix = 0.0f;
 
     int trigger_bank;