In 1983, Cameron Crowe (Jerry Maguire, Vanilla Sky, Almost Famous) was an ambitious young music journalist who had just released his debut film: a documentary about Tom Petty, titled “Tom Petty: Heartbreakers Beach Party.” It aired once on MTV and was never seen again. Now, that lost documentary is arriving for the first time in cinemas. The Oscar-winning director joins Tom to discuss his first film, his early life as a rock journalist, his upcoming Joni Mitchell biopic, and how Neil Young was originally cast in “Almost Famous.”