root@zaibserver:/home/public/mp3/prodigy# lsmod
Module                  Size  Used by    Not tainted
soundcore               3236   0  (autoclean)
ac97                    2864   0  (unused)
ac97_codec              9568   0
apm                     9148   0  (unused)
keybdev                 1664   0  (unused)
input                   3072   0  [keybdev]
usb-uhci               20708   0  (unused)
usbcore                48032   0  [usb-uh

root@zaibserver:/home/public/mp3/prodigy# mpg321 prodigy_and_rage_against_the_machine_-_one_man_army.mp3
High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2, and 3.
Version 0.59q (2002/03/23). Written and copyrights by Joe Drew.
Uses code from various people. See 'README' for more!
THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK!
 
Playing MPEG stream from prodigy_and_rage_against_the_machine_-_one_man_army.mp3 ...
MPEG 1.0 layer III, 128 kbit/s, 44100 Hz joint-stereo
Can't find a suitable libao driver. (Is device in use?)