Check this out. It's a tumblr dedicated to the prevention of cruelty to our eardrums. By which I mean, the editors want to embarrass agencies and marketers, 99% of which seem to be using "Hey Soul Sister" by Train for their ads.
They write: "We're tired of hearing 'Hey Soul Sister' by Train in what seems like every other television ad. It's time to put a stop to it." They also call it an epidemic and have the spots to back up the claim.