40 Years of Hits in Only 4 Chords [Video]

Musicians have always heard, that to have a hit pop song, you have to write your music with only 4 chords. It's true! Every major pop song for the last 40 years all use the same 4 chords. There's an English band by the name of "Axis of Awesome", that has put together a video to reinforce the theory.

Check out their video from Youtube...