orologio en CB01 OFFICIAL. Rock'n'roll was a man's world they say. The film documents the often ignored female impact on rock's history, from the groundbreaking guitar stylings of Memphis Minnie and Sister Rosetta to the gnarly singing of Big Mama Thornton. Musicians as different as Suzi Quatro and Kristin Hersh tell about their experiences on and off the grid of stardom and the music industry.