Music
Selected Compositions
One of them is me playing the piano. Others are exercises in counterpoint, or "what happens if we generate music using a priority queue?" type experiments, or clicking around in LMMS.
Lyrics for a known melody (after "Mary Had A Laser Bat").
Source
And several Perl modules on CPAN, Music::VoiceGen, Music::Voss, etc.
Other
There's some folks on the #perl-music IRC channel on the Perl IRC Network (irc.perl.org).