$ mplayer *mp3
MPlayer 1.0rc1-4.2.0 (C) 2000-2006 MPlayer Team
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ (Family: 15, Model: 75, Step ping: 2)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
98 audio & 216 video codecs

Playing Sisters Of Mercy - Cry Little Sister (Theme From The Lost Boys).mp3.
Audio file file format detected.
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
[AO OSS] audio_setup: Can't open audio device /dev/dsp: Device or resource busy
alsa-lib: pcm_hw.c:1242:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: Device  or resource busy
alsa-lib: pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
alsa-init: playback open error: Device or resource busy
JACK tmpdir identified as [/tmp]
[JACK] cannot open server
[AO SDL] Samplerate: 44100Hz Channels: Stereo Format s16le
alsa-lib: pcm_hw.c:1242:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: Device  or resource busy
alsa-lib: pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
mcop warning: user defined signal handler found for SIG_PIPE, overriding
Creating link /home/noone/.kde/socket-darkness.
can't create mcop directory