StifKarp inst => dac;


[0,2,3,1,4,2,6,3,4,4] @=> int mel[];
[0,2,4,5,7,9,11,12] @=> int major[];

for (0=>int i; ;i++) {
    std.mtof(48 + major[mel[i%mel.cap()]]) => inst.freq;
    inst.noteOn(0.5);
    300::ms => now;
}