slackbuilds/audio/xmms2/README

XMMS2 is the next generation of XMMS.  The XMMS2 team is committed
to producing a better music player, while diligently maintaining a
robust and flexible design.  The goal is to make the system easy for
developers to maintain and integrate with.  In terms of the listening
experience, XMMS2 makes it possible for anyone to easily manage their
music collection and to interact with it in a flexible manner.

ffmpeg is an optional dependency (but it's *BROKEN* ATM)