Desc: Mixtape Trilogy: Stories of the Power of Music: Directed by Kathleen Ermitage. With Garnette Cadogan, Michael Ford, Vijay Iyer, Sameer Khan. An exploration of one of the most intense relationships between people who rarely meet: music artists and their fans: featuring folk-rock icons the Indigo Girls, composer-pianist Vijay Iyer, and hip hop artist Talib Kweli.