I recall a story from years ago that a bar put "Free Beer" on their outside marquee and the band playing that night went along with joke. Until the lawyer showed up with written "truth in advertising" case law saying that since they advertised free beer they had to deliver. The rest of the story included a marquee being disassembled in world record time.

That "misleading band name" joke has been going around for years. There was actually a reference to something similar about band advertising in the John Candy/Eugene Levy spoof called The Last Polka. (It is hilarious. Rent it if you can.) It went something like if I did this: