The 4-Chord Recipe for Cooking Hit Songs

A brilliant little article over at Guitarkadia where they point out the most common rock chord progressions are:

C – G – Am – F

D – A – Bm – G

A – E – F#m – D

G – D – Em – C

E – B – C#m – A

And here is a brilliant video by "Axis of Awesome" in which they play dozens of songs all built around the theory. (Caution: minor and brief offensive language)