Learn about the History of UNIX and its clones.
URL: http://www.levenez.com/unix/

One Day One Command
===================

play — Play the sound file.

Summary:

Play different types of sound files from the command line. It is a
front end to the more general sox package. Normally, the play will
automatically try to detect the type and other parameters of the sound
file.

Examples:

$ play snd.wav — Play the wave file.

$ play snd.aiff — Play the AIFF file.

$ play snd.wav echo .5 .5 100 .5 — Play with echo effect.

$ play snd.wav reverb 1 1000 333 333 333 333 — Play with reverb
                   
                   
       effect.

$ play -v 2 snd.wav — Change the volume and play.

Read: man play