Once More With Feeling shows
 

A nice article in the Christian Science Monitor about the Buffy sing-along shows featuring the OMWF episode that is now a nation-wide event. Four years after the show's last episode, these shows sell out everywhere and seem to be growing in popularity. On the last page is the upcoming schedule:
http://www.csmonitor.com/2007/0706/p11s02-almp.html