2 Blit s => JCRev r => dac;
7 [ 0, 2, 4, 7, 9, 11 ] @=> int hi[];
8 <<< hi.size(), hi.cap(), hi.capacity() >>>;
9 <<< hi[0], hi[1], hi[2], hi[3], hi[4], hi[5] >>>;
15 Std.mtof( 33 + Std.rand2(0,3) * 12 +
16 hi[Std.rand2(0,hi.size()-1)] ) => s.freq;
19 Std.rand2( 1, 5 ) => s.harmonics;