acousticbrainz-gui : This client lets you submit your own audio features to the AcousticBrainz project. ( https://github.com/MTG/acousticbrainz-gui/ )
ayfly : Ayfly is a AY-891x emulator and player. ( https://github.com/l29ah/ayfly )
cmusfm : Last.fm scrobbler for cmus music player ( http://arkq.awardspace.us/Multimedia/cmusfm/ )
jack-matchmaker : Auto-connect JACK ports as they appear and when they match the port patterns given on the command line or read from a file. ( https://github.com/SpotlightKid/jack-matchmaker )
jackminimix : a simple mixer for the Jack with an OSC control interface. ( https://www.aelius.com/njh/jackminimix/ )
m9u : m9u is designed to be a music server, much like mpd or xmms2. It sits in the background playing music, exporting an interface that one or more clients can connect to to control playback. ( http://sqweek.net/code/m9u/ )
rsound : RSound is a networked audio system. It allows applications t ( http://themaister.net/rsound.html )
scrobbler : A command-line Last.fm scrobbler and a now-playing status updater. ( https://pypi.python.org/pypi/scrobblerh/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a booboo
For Paludis use this rsync : rsync://gentoo.zugaina.org/booboo-portage
If you have a problem : ycarus(-at-)zugaina.org