Aqualung is an advanced music player originally targeted at the GNU/Linux
operating system.  Today it is also running on FreeBSD and OpenBSD, with
native ports to Mac OS X and even Microsoft Windows.  It plays audio CDs,
internet radio streams and podcasts as well as sound files in just about
any audio format, and has a feature of inserting no gaps between adjacent
tracks.

WWW: http://aqualung.jeremyevans.net/