Authors like to write books with author protagonists. Journalists are always publishing articles about journalism. Visual artists tend to make art about the process of making art. So, considering how conducive art is to the celebration and contemplation of art, the enormous number of rock songs about rock is hardly surprising — and, as music fans, they’ve always been among our favorites. After the jump, listen to our mixtape of 15 rock ‘n roll love letters to rock ‘n roll, from Chuck Berry to Joan Jett to The Mountain Goats.