<bgsound="sound1.mp3">

Audio for the Web

This code should allow for a background sound to play in both internet explorer and netscape.

<embed src="sound1.mp3" autostart="true" hidden="true"></embed>
<noembed><bgsound="sound1.mp3"></noembed>

bgsound works only in IE. The embed tag works in Navigator and is official html. The noembed tag is so Netscape ignores the bgsound element