idjc : IDJC has two media players, jingles player, crossfader, VoIP and streaming ( http://idjc.sourceforge.net/ )
ossp : OSS Proxy Daemon is Linux userland OSS sound device implementation using CUSE ( http://sourceforge.net/projects/osspd/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a sabayon
For Paludis use this rsync : rsync://gentoo.zugaina.org/sabayon-portage
If you have a problem : ycarus(-at-)zugaina.org