Following up on the duck hacking, here's a piece done entirely with a PD patch, written by me -- my first real Pure Data programming effort of any kind. The patch is basically a chain of oscillators linked to a series of metronomes at varied speeds that change the pitch of each oscillator at different times (including at random). Besides the automated changes, you can also manipulate the pitches with the independent number sliders (to some extent).
Anyway, here 'tis...might be a little, um, harsh for some ears. It's that kind of week.