Mavis! (2015) 2015, Biography, Documentary, Music, United States Mavis! (2015) Duration: 1H20M Description: Her family group, the Staple Singers, inspired millions and helped propel the civil rights movement with their music. After 60 years of performing, legendary singer Mavis Staples’ message of love and equality is needed now more th….. Trailer ↗ United States 2015 Documentary Biography Music