Concise edit: Idea for game: Two bands are pitted together. The next poster chooses the best of the two, and pits it against another band. See which band can get the longest chain of 'wins'.
Example:
me: Megadeth vs Anthrax
next poster: I choose Megadeth
Megadeth vs Metallica?
Example:
me: Megadeth vs Anthrax
next poster: I choose Megadeth
Megadeth vs Metallica?