This program is designed to be flexible command line player in the spirit of
ogg123 and mpg123, based on GStreamer.  It plays all file formats GStreamer
understands, so if you have a music collection which contains different file
formats, like FLAC, Ogg, and MP3, you can use gst123 to play all your music
files.

WWW: http://space.twc.de/~stefan/gst123.php