Command-line MP3 players, often used as backends for GUI music players. The files played may be local files or URLs. mpg321 and mpg123 behave the same way, except that mpg123 lacks the option --skip-printing-frames.
Name the type of audio device you are using. Valid types are oss (Open Sound System), sun (Sun audio system), alsa (Advanced Linux Sound Architecture), alsa09 (ALSA, version 0.9), esd (Enlightened Sound Daemon), and arts (Analog Real-Time Synthesizer).
Name the actual device (e.g., /dev/sound/dsp1) you are using. This option is ignored if you have chosen -o arts. For esd running on remote systems, you must specify the host, and for alsa, you must specify the card and device (default is 0:0).
Set the volume (gain) to an integer between 1 and 100.
Do not play the first n frames of the file or stream.
Play only the first n frames of the file or stream.
Specify a playlist file. The format of filename is just a list of filenames, one file per line, to be played.
Shuffle the files in the playlist and any files supplied on the command line, and play the list once. Each file will be played once.
Each time one file is finished playing, choose a new file at random. Files may be played more than once, and mpg321 will continue playing songs at random until it is stopped.