"/Users/charlesfoster/music220a/hw4/vowels.wav" => string sourcefile;
SndBuf recording;
recording.read(sourcefile);

60 => int baseNote;
-1 => int increment;
int x, y, z, o;
4 => int nPitches;

TalkBox shifter;
shifter.setup(nPitches);
// Start tracking pitches
spork ~ shifter.track_pitch(adc);
1::second => now;

time clockStart;

while (baseNote > 30) {
    <<< baseNote >>>;
    baseNote => x;
    baseNote + 3 => y;
    baseNote + 7 => z;
    baseNote + 12 => o;
    
    // Create instrument
    [x, y, z, o] @=> int pitches[];
    shifter.set_tones(nPitches, pitches);
    
    // Setup graph
    shifter.connect_in(recording);
    shifter.connect_out(dac);
    
    shifter.master_volume(0.9 / nPitches);
    shifter.master_knob(0.5);
        
    // Live capture
    now => clockStart;
    spork ~ update_shifters(3::second);
    3::second => now;

    shifter.disconnect_in(recording);
    shifter.disconnect_out(dac);
    
    increment +=> baseNote;
}

fun void update_shifters(dur duration) {
    while (now - clockStart < duration) {
        shifter.update();
        100::ms => now;
    }
}