Well, other bands know more than three chords. Your professional bands can play up to six, sometimes seven, completely different chords.
Oz ,'Storyteller'
Buffy 1: No, You're Not the Only Watcher
[NAFDA] This is where we talk about the show! Anything that's aired in the US (including promos) is fair game. No spoilers though -- if you post one by accident, an admin will white-font or delete it.