I found some time to add another sample of La boîte à musique output for the Hackaday Music contest.
Recording analog is now pretty complicated on modern computer since constructors does not provide line port anymore ... I reused my TI PCM2900 "breadboard" USB sound card, but breadboarding USB and audio is not really efficient : it took me some times to make it works correctly. I'm now willing to design a PCB with Kicad to have a line in/line out soundcard handy.
Anyway, there is a sample with the "Punk-Rock" profile :