Filmmaker Blair Foster is a 2-time Emmy winner and co-director of the documentary "Rolling Stone: Stories From the Edge" which chronicles the cultural impact of Rolling Stone magazine and its founder Jann Wenner on it's 50th anniversary. The film, which debuted on HBO last fall, is being expanded and is now available on iTunes and other streaming services. We dissect the format of the film, the choices she and co-director Alex Gibney made, the impact the magazine and its founder have had on popular culture and the life of a documentarian. We also discuss the other music-related documentaries she's worked on including films on George Harrison, James Brown, Frank Sinatra, and the now infamous Eagles documentary.