With the explosive growth of MP3 (which has significant licensing problems) and OGG (which is an open standard) you will need an MP3 player. There are several to choose from, but we concentrate on xmms and qvmpeg.

You may want to record your own audio CDs so that you can listen to them yourself or download them to your portable MP3 player. The grip package encodes an audio CD as a collection of MP3 files.