Basically all you do is rate the song above you.
Example:
User 1: She Wolf-Shakira
User 2: 9/10
Good Girls Go Bad-Cobra Starship FEAT. Leighton Meester
User 3: 10/10
Coldplay - Talk
I'll Start:
Good Girls Go Bad-Cobra Starship FEAT. Leighton Meester
Example:
User 1: She Wolf-Shakira
User 2: 9/10
Good Girls Go Bad-Cobra Starship FEAT. Leighton Meester
User 3: 10/10
Coldplay - Talk
I'll Start:
Good Girls Go Bad-Cobra Starship FEAT. Leighton Meester