I think that a huge part of all that is simply because most of us are stuck listening to a dozen or so radio stations in our cars. People listen to the artists

I think that a huge part of all that is simply because most of us are stuck listening to a dozen or so radio stations in our cars. People listen to the artists they hear 20 times a day during their commute. It will be interesting to see what happens when something like Spotify or Pandora is widely available in-car.