Background Sound:

Background Sound for Internet Explorer Only:

<BGSOUND SRC="sound.ext" LOOP="2">

LOOP value may be an integer or infinite.

Other Sounds:

<EMBED SRC = "sound.ext"
CONTROLS="console|small-console|playbutton|pausebutton|stopbutton|volumelever|volume"
WIDTH=# (pixels)
HEIGHT=# (pixels)
AUTOSTART=true|false
LOOP=# (times to loop) or LOOP=true (to play until stopped)
>
</EMBED>

or

< A HREF="sound.ext"> link text</A>