On Friday, Ke$ha's "Die Young" was the third most popular song on American radio stations with 167 million listeners. In wake of the horrific massacre at Sandy Hook Elementary, though, many of those stations have yanked the pop hit from their rotations. By Monday, "Die Young" touted 19 million fewer listeners. A music expert that spoke to TMZ equates the drop to what happened with the Dixie Chicks single after they insulted President George W. Bush. [TMZ]