The mpg123 reads one or more files (or standard input if ``-'' is
specified) or URLs and plays them on the audio device (default) or
outputs them to stdout.  file/URL is assumed to be an MPEG-1/2 audio
bit stream.

WWW: http://mpg.123.org	 
http://www-ti.informatik.uni-tuebingen.de/~hippm/mpg123.html