Get an MP3 player
MP3's are great. They are near CD quality sound files that you can download and play on you computer and other devices. However you'll need a player. We recommend that you check out MP3.com and choose a player. Apple's Quicktime is also available for most platforms and will play MP3s. Or pick one below:

Operating System MP3 PLAYER
Amiga AmigaAmp
Be BeAmp
DOS MpxPlay
Linux x11Amp
Macintosh 68k SoundApp
Macintosh PPC MacAmp
NeXTStep MMP 2
Os2/Warp WarpAmp
Solaris/Unix Xaudio
Windows 3.1 MediaPlayer
Windows 95/NT WinAmp