diff --git a/software/apps/Processing/Music/Music_Controls_4/Controller_Functions.pde b/software/apps/Processing/Music/Music_Controls_4/Controller_Functions.pde
index 7a27b4b..92a5820 100644
--- a/software/apps/Processing/Music/Music_Controls_4/Controller_Functions.pde
+++ b/software/apps/Processing/Music/Music_Controls_4/Controller_Functions.pde
@@ -206,7 +206,7 @@ void freq1(int val)
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
     //(2^((p-69)/12))*440
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -217,7 +217,7 @@ void semi1(int val)
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
     int semi =(knobValue[knob]+24)*2+16;
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
   }
 }
 
@@ -227,7 +227,7 @@ void detune1(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -237,7 +237,7 @@ void gain1(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -247,7 +247,7 @@ void wave1(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
   }
 }
 
@@ -257,7 +257,7 @@ void fm1(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -268,7 +268,7 @@ void freq2(int val)
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
     //(2^((p-69)/12))*440
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -279,7 +279,7 @@ void semi2(int val)
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
     int semi =(knobValue[knob]+24)*2+16;
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
   }
 }
 
@@ -289,7 +289,7 @@ void detune2(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -299,7 +299,7 @@ void gain2(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -309,7 +309,7 @@ void wave2(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
   }
 }
 
@@ -319,7 +319,7 @@ void fm2(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -329,7 +329,7 @@ void freq3(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -340,7 +340,7 @@ void semi3(int val)
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
     int semi =(knobValue[knob]+24)*2+16;
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
   }
 }
 
@@ -350,7 +350,7 @@ void detune3(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -360,7 +360,7 @@ void gain3(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -370,7 +370,7 @@ void wave3(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
   }
 }
 
@@ -380,7 +380,7 @@ void fm3(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -390,7 +390,7 @@ void attack(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -400,7 +400,7 @@ void decay(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -410,7 +410,7 @@ void sustain(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
@@ -420,7 +420,7 @@ void release(int val)
   if(knobValue[knob] != val) {
     knobValue[knob] = val;
     if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
-    if(!serialBusy) sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
+    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
   }
 }
 
diff --git a/software/apps/Processing/Music/Music_Controls_4/Music_Controls_4.pde b/software/apps/Processing/Music/Music_Controls_4/Music_Controls_4.pde
index d498eee..dbcb920 100644
--- a/software/apps/Processing/Music/Music_Controls_4/Music_Controls_4.pde
+++ b/software/apps/Processing/Music/Music_Controls_4/Music_Controls_4.pde
@@ -9,7 +9,7 @@ MidiInput input;
 Serial port0;
 
 boolean printChange = true;
-boolean serialBusy;
+boolean serialBusy = false;
 
 int backgroundColor = color(0,0,0);
 int knobColor = color(235,103,295);
@@ -34,7 +34,7 @@ void setup() {
   input = RWMidi.getInputDevices()[0].createInput(this);
   
   //println(Serial.list());
-  port0 = new Serial(this, Serial.list()[0], 9600);
+  port0 = new Serial(this, Serial.list()[12], 9600);
 }
 
 
diff --git a/software/apps/Processing/Music/Music_Controls_4/knobValues.txt b/software/apps/Processing/Music/Music_Controls_4/knobValues.txt
index dc2db23..1ee6ed7 100644
Binary files a/software/apps/Processing/Music/Music_Controls_4/knobValues.txt and b/software/apps/Processing/Music/Music_Controls_4/knobValues.txt differ
diff --git a/software/apps/Processing/Music/Music_Controls_4/midi_handling.pde b/software/apps/Processing/Music/Music_Controls_4/midi_handling.pde
old mode 100644
new mode 100755
diff --git a/software/apps/Processing/Music/Music_Controls_4/saving_loading.pde b/software/apps/Processing/Music/Music_Controls_4/saving_loading.pde
old mode 100644
new mode 100755
diff --git a/software/lib/MMM/examples/Music/_8_midi/_8_midi.ino b/software/lib/MMM/examples/Music/_8_midi/_8_midi.ino
index 4388997..ff207a3 100644
--- a/software/lib/MMM/examples/Music/_8_midi/_8_midi.ino
+++ b/software/lib/MMM/examples/Music/_8_midi/_8_midi.ino
@@ -1,12 +1,3 @@
-// You can set the number of oscillators (1 to 3) and the bit depth of the
-// oscillators (8 or 12 bit). These settings must be defined before the
-// inclusion of the MMM library files. They default to 1 osciallator
-// and 8bit respectively.
-
-#define NUM_OSCILLATORS 3
-#define BIT_DEPTH 8
-#define MIDI
-
 // The Music object is automatically instantiated when the header file is
 // included. Make calls to the Music objects with "Music.function(args)".
 // You still need to call Music.init() in the setup() function below.
@@ -16,6 +7,10 @@
 #define MIDI_CHANNEL 1
 #include <Music.h>
 
+long timeNow = 0;
+long lastTime = 0;
+long delayTime = 400; //in milliseconds
+
 void setup() {
 
   // We initialise the sound engine by calling Music.init() which outputs a tone
@@ -27,8 +22,15 @@ void setup() {
 
 void loop() {
   
-  // In order to send MIDI to the sketch, use the Music_Controls.pde Processing sketch
+  // In order to send MIDI to the sketch, use the Music_Controls_4.pde Processing sketch
   Midi.checkMidi();
   
+  // The below code is an example of triggering the noteOn function to play some sounds
+  timeNow = millis();
+  if((timeNow - lastTime) > delayTime) {
+    Music.noteOn(64);
+    lastTime = timeNow;  
+    
+  }  
 }