Rock legend Tom Petty died on Monday, and this hour, we talk about his life and work. Petty has been acclaimed for his “rootsiness,” even though he performed in sold out arenas. His songs have been praised for being soaring and sad. How should we define Tom Petty's musical legacy? We listen to some of his music and discuss that question with our guests: John Covach , director of the Institute for Popular Music at the University of Rochester Dave Drago, producer and owner of 1809 Studios Saby