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diff --git a/procsound.pde b/procsound.pde
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--- /dev/null
+++ b/procsound.pde
@@ -0,0 +1,349 @@
+import uibooster.*;
+import uibooster.components.*;
+import uibooster.model.*;
+import uibooster.model.formelements.*;
+import uibooster.model.options.*;
+import uibooster.utils.*;
+
+import processing.sound.*;
+import javax.sound.midi.*;
+import drop.*;
+
+processing.core.PApplet PARENT = this;
+
+
+// Custom waveform of width 32 and height 16 (will be normalized)
+class Wave32 {
+  float[] data = new float[32];
+  boolean normalized = false;
+  
+  
+  Wave32(int[] data) {
+    for (int i = 0; i < this.data.length; i++) {
+      this.data[i] = constrain(data[i], -7, 7);
+    }
+    normalize();
+  }
+  
+  
+  float[] get_wave() {
+    return data;
+  }
+  
+  
+  private void normalize() {
+    for (int i = 0; i < this.data.length; i++) {
+      data[i] = map(data[i], -7, 7, -1, 1);
+    }
+    normalized = true;
+  }
+  
+  
+  @Override
+  String toString() {
+    String s = "[";
+    
+    for (float i : data) {
+      s += i + " ";
+    }
+    
+    return s;
+  }
+}
+
+
+
+class Channel {
+  int extended_sample_factor = 1;  // 1 is original size of wave32
+  float[] wave_data = new float[extended_sample_factor * 32];
+  HashMap<Integer, AudioSample> current_notes = new HashMap<Integer, AudioSample>();
+  boolean silent = false;
+  int last_freq = 0;
+  
+  
+  Channel(Wave32 wave) {
+    float[] non_ext_wave = wave.get_wave();
+    // e x t e n d  sample so AudioSample doesn't loop so frequently...
+    for(int i = 0; i < extended_sample_factor * 32; i++) {
+      wave_data[i] = non_ext_wave[i % 32];
+    }
+  }
+  
+  
+  void play(int freq, int vel) {
+    if(silent) {
+      return;
+    }
+    
+    //println(current_notes.toString());
+    stop(freq);
+    AudioSample s = current_notes.get(freq);
+    last_freq = freq;
+    
+    if (s == null) {
+      s = new AudioSample(PARENT, wave_data, freq * 32);
+    }
+    
+    s.loop();
+    //SawOsc s = new SawOsc(PARENT);
+    //s.freq(freq);
+    s.amp(map(vel, 0, 127, 0, 1) / 6);
+    //s.play();
+    current_notes.put(freq, s);
+  }
+  
+  
+  private int freq_to_midi(int freq) {
+    return int( 69 + 12 * (log(freq / 440.0)/log(2)) );
+  }
+  
+  
+  private int bend_to_freq(int freq, int pitchbend) {
+    int note_code = freq_to_midi(freq);
+    return int( 440 * pow(2, ((note_code-69) / 12.0) + ((pitchbend-8192) / (4096.0*12.0))) );
+  }
+  
+  
+  void bend(int d1, int d2) {
+    if(last_freq == 0) return;
+    
+    int b = (d2 * 128) + d1;
+    if(b == 8192) {
+      current_notes.get(last_freq).rate(1);
+      return;
+    }
+    
+    int f = bend_to_freq(last_freq, b);
+    float r = float(f)/float(last_freq);
+    current_notes.get(last_freq).rate(r);
+    /*
+    for(AudioSample s : current_notes.values()) {
+      s.rate(d1 + d2);
+    }
+    */
+  }
+  
+  
+  void stop(int freq) {
+    //println(current_notes.toString());
+    AudioSample s = current_notes.get(freq);
+    if (s == null) {
+      return;
+    }
+    
+    s.stop();
+    //current_notes.remove(freq);
+  }
+  
+  
+  void empty() {
+    for(int freq : current_notes.keySet()) {
+      stop(freq);
+    }
+    current_notes.clear();
+  }
+  
+  
+  @Override
+  String toString() {
+    return String.valueOf(current_notes.size());
+  }
+}
+
+
+
+class Player {
+  Sequencer seq;
+  int channel_num = 16;
+  Channel[] channels = new Channel[channel_num];
+  Wave32[] wave32_list;
+  // midi file...
+  
+  
+  int midi_to_freq(int note_code) {
+    //return int((440 / 32) * pow(2, ((note_code - 9) / 12)));
+    return int( 440 * pow(2, (note_code - 69) / 12.0) );
+  }
+  
+  
+  Receiver listener = new Receiver() {
+    @Override
+    void send(MidiMessage msg, long timeStamp) {
+      if (msg instanceof ShortMessage) {
+        ShortMessage event = (ShortMessage) msg;
+        int chan = event.getChannel();
+        int comm = event.getCommand();
+        int data1 = event.getData1();
+        int data2 = event.getData2();
+        //println(chan + " " + comm + " " + data1 + " " + data2);
+        
+        if(chan == 9) {
+          return;    // channel 10 is percussion, TODO
+        }
+      
+        if(comm == ShortMessage.NOTE_ON && data2 > 0) {
+          channels[chan].play(midi_to_freq(data1), data2);
+          //println(channels[chan].toString());
+        }
+        else if(comm == ShortMessage.NOTE_OFF || (comm == ShortMessage.NOTE_ON && data2 <= 0)) {
+          channels[chan].stop(midi_to_freq(data1));
+        }
+        else if(comm == ShortMessage.PROGRAM_CHANGE && data1 >= 112) {
+          channels[chan].silent = true;  //if program change to percussion, silence (TODO)
+        }
+        else if(comm == ShortMessage.PITCH_BEND) {
+          channels[chan].bend(data1, data2);
+        }
+      }
+    }
+    
+    @Override
+    void close() {
+      
+    }
+  };
+  
+  
+  Player(Wave32[] wave32_list) {
+    this.wave32_list = wave32_list;
+    int wave_num = 0;
+    println("using wave " + wave_num);
+    for (int i = 0; i < channel_num; i++) {
+      channels[i] = new Channel(wave32_list[wave_num]);
+    }
+    //channels[9].silent = true;  //midi ch 10 is for percussion (TODO)
+  }
+  
+  
+  // Open file and start playing
+  void update(String filename) {
+    quit();
+    
+    File file = new File(filename);
+    
+    try {
+      seq = MidiSystem.getSequencer(false);
+      seq.open();
+      seq.setLoopCount(-1);
+      
+      Transmitter transmitter = seq.getTransmitter();
+      transmitter.setReceiver(listener);
+      
+      Sequence mid = MidiSystem.getSequence(file);
+      seq.setSequence(mid);
+      seq.start();
+    }
+    catch(MidiUnavailableException mue) {
+      println("Midi device unavailable!");
+    }
+    catch(InvalidMidiDataException imde) {
+      println("Invalid Midi data!");
+    }
+    catch(IOException ioe) {
+      println("I/O Error!");
+    }
+  }
+    
+    
+  void quit() {
+    for(Channel c : channels) {
+      c.empty();
+    }
+    
+    try {
+      seq.stop();
+      seq.close();
+      seq = null;
+    }
+    catch(NullPointerException npe) {
+      println("Seq already stopped.");
+    }
+  }
+  
+  
+  @Override
+  String toString() {
+    String s = "[";
+    for(Channel c : channels) {
+      s += c.toString() + " ";
+    }
+    return s + "]";
+  }
+}
+
+
+
+Wave32[] setup_waves() {
+  Wave32[] wave_list = new Wave32[32];  //There seem to be 32 different waveforms in GXSCC.
+  
+  int[] wd_00 = {7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7};
+  wave_list[0] = new Wave32(wd_00);
+  int[] wd_07 = {0, 0, 0, -7, 0, 6, 6, 6, 0, 0, 0, -7, 0, 0, 0, -7, -7, -7, -7, 0, -7, -7, 0, 0, 0, 0, -7, -7, -7, 0, -7, -7};
+  wave_list[7] = new Wave32(wd_07);
+  int[] wd_12 = {2, 4, 4, 2, 0, 0, 0, 3, 5, 6, 5, 2, 0, -1, -1, 0, 1, 1, 0, -3, -5, -6, -5, -3, 0, 0, -2, -4, -4, -2, 0, 0};
+  wave_list[12] = new Wave32(wd_12);
+  int[] wd_25 = {0, 3, 7, 3, 0, -3, 0, -3, 0, -1, -2, -3, -4, -4, -5, -5, -6, -6, -7, -7, -7, -7, -7, -6, -6, -5, -5, -4, -4, -3, -2, -1};
+  wave_list[25] = new Wave32(wd_25);
+  
+  return wave_list;
+}
+
+
+
+Player p;
+PFont f;
+String name;
+
+void setup() {
+  noSmooth();
+  size(640, 446);
+  f = loadFont("pixel14.vlw");
+  textFont(f, 14);
+  noStroke();
+  background(223, 130, 95);
+  text("pre-alpha", 32, 50);
+  text("LEFT CLICK to open file", 20, 100);
+  text("RIGHT CLICK to exit", 20, 120);
+  text("This is proof-of-concept work.", 20, 260);
+  text("Beware of loud popping sounds (lowering volume is recommended).", 20, 280);
+  text("Before loading a second file, it's advised to close and re-open program.", 20, 300);
+  
+  PImage img = loadImage("graphics/logo.png");
+  image(img, 12, 0);
+  
+  Wave32[] wave32_list = setup_waves();
+  p = new Player(wave32_list);
+  
+  fill(92, 31, 9);
+  text("CHANNEL CONTENTS", 20, 180);
+}
+
+
+
+void draw() {
+  fill(223, 130, 95);
+  rect(10, 180, 640, 40);
+  fill(92, 31, 9);
+  text(p.toString(), 20, 200);
+}
+
+
+void mouseClicked() {
+  if(mouseButton == RIGHT) {
+    fill(255);
+    text("Please wait...",20,400);
+    p.quit();
+    exit();
+  }
+  else if(mouseButton == LEFT) {
+    selectInput("Which MIDI file?", "fileSelected");
+  }
+}
+
+
+void fileSelected(File selection) {
+  if(selection != null) {
+    name = selection.getAbsolutePath();
+    p.update(name);
+  }
+}