Playing music files is simple if the visitors have sound cards in their computers. The best type of sound file is probably the midi, although to create one, it is required to have either a music synthesizer or a special program. There are sites which offer free midi files, so it is neither necessary nor desirable to steal.

Once the midi file is obtained it must be uploaded to your site and the following two lines of code inserted into the page from which you want the music to play:
<embed src="fairsun.mid" autostart=true>
<bgsound src="fairsun.mid" loop=1>

The second line of code is required because earlier IE browsers were deliberately designed not to work with the code Netscape used. A given browser will choose the one it understands and ignore the other.

These codes will work with .wav files and various other types, but Real Audio files are a different breed entirely.