Dan Reynolds, the frontman of Imagine Dragons, was raised by his devout "super-mom," Christene, in the Mormon community. We meet Dan's eight siblings one of whom is now his attorney, and another his manager.

Pharrell Williams and Dave Grohl, both scared of disappointing their public school teacher mothers, started music careers in small hometowns in Virginia, unlikely launchpads for international rockstars.

Miranda Lambert grew up in small-town Texas under the watchful eyes of two private investigator parents, sometimes even helping them solve cases. But when she decided to pursue a career inmusic, her mom and dad dedicated themselves to her career.

Brandi Carlile, once a tomboy kid who didn't fit in, has become a successful, Grammy Award winning, openly gay singer-songwriter. After we learn about the profound musical influence her family had on Brandi, she and Teresa open up to Dave and Ginny.

Tom Morello, a musician and political activist known for his tenure with the bands Rage Against the Machine and Audioslave, grew up as the only black kid in an all-white Midwest suburb. By his side was his single white mother, Mary Morello.