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diff --git a/Software/Arduino/alt_cph/_jsr_for_alt_cph/_jsr_for_alt_cph.ino b/Software/Arduino/alt_cph/_jsr_for_alt_cph/_jsr_for_alt_cph.ino
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+++ b/Software/Arduino/alt_cph/_jsr_for_alt_cph/_jsr_for_alt_cph.ino
@@ -0,0 +1,150 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <CFOMusic.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int note = 48;
+
+long time = 0;
+long lastTime = 0;
+int beatTime = 3000;
+int originalBeatTime = beatTime;
+int timeIncrement = -3;
+int lowestBeatTime = 1500;
+int highestBeatTime = 10000;
+
+int notes[] = {0,5,7,9};
+int octaveSpanL = -3;
+int octaveSpanH = 1;
+int numberOfNotes = 4;
+
+int randomizeNotes = 100;
+
+float detuning = 0.0;
+float origDetuning = detuning;
+float maxDetuning = 0.2;
+float detuneIncrement = 0.001;
+
+long lastDetune = millis();
+int detuneDelay = 10;
+
+int randomizeWave = 100;
+
+int arpFrequency = 50;
+int arpCounter = 0;
+int arpLenght = 25;
+boolean arpMode = false;
+int arpDelay = 60;
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(0);
+  Music.setDecay(4);
+  Music.setSustain(255);
+  Music.setRelease(255);
+  Music.setSaw();
+  
+  Serial.begin(9600);
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      
+      if (random(randomizeNotes) == 0) {
+      
+        pickNewNote();
+        
+      }
+      
+      Music.noteOn(note);
+      noteIsOn = true;
+      
+      
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+    beatTime = beatTime + timeIncrement;
+    if (beatTime < lowestBeatTime || beatTime > highestBeatTime) {
+      beatTime = originalBeatTime;
+    }
+    
+    if (random(randomizeWave) == 0) {
+      int nextWave = random(4);
+      if (nextWave == 0) {
+        Music.setSaw();
+        Serial.println("now saw");
+      } else if (nextWave == 1) {
+        Music.setSine();
+        Serial.println("now sine");
+      } else if (nextWave == 2) {
+        Music.setSquare();
+        Serial.println("now square");
+      }
+    }
+    
+    if (random(arpFrequency) == 0) {
+      arpMode = true;
+      Serial.println("let the arp begin...");
+    }
+    
+
+    
+    if (lastDetune + detuneDelay < millis()) {
+      Music.setDetune(detuning);
+      detuning = detuning + detuneIncrement;
+      if (detuning > maxDetuning) {
+        detuning = origDetuning;
+      }
+      lastDetune = millis();
+    }
+    
+  }
+  
+  if (arpMode) {
+    pickNewNote();
+    Music.noteOn(note+12);
+    noteIsOn = true;
+    delay(arpDelay);
+    
+    arpCounter ++;
+    
+    if (arpCounter > arpLenght) {
+      
+      arpMode = false;
+      arpCounter = 0;
+      Serial.println("arp stopped");
+      
+      pickNewNote();
+      Music.noteOn(note-24);
+      noteIsOn = true;
+      
+    }
+    
+  }
+
+}
+
+void pickNewNote () {
+ int currentOctave = random(octaveSpanL, octaveSpanH);
+ Serial.println(currentOctave);       
+ note = 48+12*currentOctave+notes[random(numberOfNotes)];
+}
+