4 chords

As proven by Axis of Awesome, you just need 4 chords to write any hit song.

Oh and 1 more thing, I was tickle by Wu Bai who sang this song last night. He is one renowned Chinese rocker and the only reason I could see him writing and singing this song is to embrace the retro era he grew up in..... (伍佰-你是我的花朵)