Most Popular Song Each Month Since January 1980

I had a finger in a lot of these songs, like Katy Perry i kissed a girl, that is one of my favorite melodies, at first she said, but i am not gay, i said no but the guys will like it, and the girls maybe too, put in the lirics that it means not that much, song was born, instant hit, wich you still hear all over radio stations, came across it yeasterday when i was checking out radio.garden