As an experiment, I tried spidering some local pop music station playlists to see what they are playing the most. Here is a preliminary list.

Count	Artist	Title
15	Dixie Chicks	Landslide
14	Avril Lavigne	Complicated
13	Vanessa Carlton	A Thousand Miles
13	Seether	Fine Again
13	John Mayer	No Such Thing
13	No Doubt	Underneath It All
12	Santana	The Game Of Love
10	Chevelle	The Red