Well, other bands know more than three chords. Your professional bands can play up to six, sometimes seven, completely different chords.
Oz ,'Storyteller'
Natter 3: My Life and Times of Me, as Seen by Me
Off-topic discussion. Wanna talk about corsets, duct tape, or physics? This is the place. This is also a world-wide Spoiler-Free Zone. Please don't discuss what's aired this season; use the show discussion threads for that.