// Listing 9.15 clap.ck claps hands on random sixteenth notes, synced to BPM
// clap.ck
// on the fly drumming with global BPM conducting
SndBuf clap => dac;
0.3 => clap.gain;
me.dir(-1)+"/audio/clap_01.wav" => clap.read;

// make a conductor
// this is set and controlled elsewhere
BPM tempo;
while (1) {
    // our basic beat for this instrument
    // update this every measure
    tempo.sixteenthNote => dur sixteenth;
    // play a whole measure of 16 16th notes
    for (0 => int beat; beat < 16; beat++) {
        // clap randomly on 16th notes
        if (Math.random2(0,7) < 3) {  // (1) Random claps (3/8 probability)...
            0 => clap.pos;
        }
        sixteenth => now;             // (2) ...on sixteenth notes
    }
}