Нашел на DeviantArt вот такой мини-аудиоплеер.

Soundz!

A tiny audio player written in GTK and designed mainly for XFCE with the intention to keep it running in the notification area. It can be customized with colors and fonts you desire using the default gtkrc file. Thank you for downloading!

Installation:
make install/uninstall (as root)
make deb (makes debian package)

Depends: