There are lots of cover / tribute bands out there, but I think this one is one of the better ones. The name of the band is Zepparella. Here's a link to a pretty killer cover of "When the Levee Breaks" by Led Zeppelin:
http://www.youtube.com/watch?v=xH-_9cwdLugBONUS: The guitarist is playing a Dan Electro...Page played one for years (though I don't recall what he played on this track).
Enjoy.