 AudioConnection          patchCord6(envelope3, 0, mixer1, 2);
 AudioConnection          patchCord7(envelope2, 0, mixer1, 1);
 AudioConnection          patchCord8(envelope1, 0, mixer1, 0);
-AudioConnection          patchCord9(mixer1, 0, i2s1, 0);
-AudioConnection          patchCord10(mixer1, 0, i2s1, 1);
+AudioConnection          patchCord9(mixer1, biquad1);
+AudioConnection          patchCord10(biquad1, 0, i2s1, 0);
+AudioConnection          patchCord11(biquad1, 0, i2s1, 1);
+// GUItool: end automatically generated code
+
+
+
 
 AudioControlSGTL5000     audioShield;     //xy=586,175
 // GUItool: end automatically generated code


const int channel = 1;
unsigned long t=0;

void setup() {
  MIDI.begin(MIDI_CHANNEL_OMNI);

AudioEffectEnvelope      envelope2;      //xy=340,209
AudioEffectEnvelope      envelope1;      //xy=341,164
AudioMixer4              mixer1;         //xy=532,221
AudioFilterBiquad        biquad1;        //xy=621,346
AudioOutputI2S           i2s1;           //xy=782,213
AudioConnection          patchCord1(waveform4, envelope4);
AudioConnection          patchCord2(waveform2, envelope2);
AudioConnection          patchCord3(waveform3, envelope3);
