You just need to use your imagination :-)
Think stereo, and then align=left|right|center could have very
real meanings to altering a sound presenation ;-}
By the way, MicroSoft's Beta Reviewers documenation of Internet
Explorer 2.0 at
http://www.microsoft.com/windows/ie/ieguide.htm
spells this new entity BGSOUND, not BGAUDIO
But then all things are subject to change in a beta, right? :-)
Michael