They called her Miss Rhythm, a name she lived up to all her life. Ruth Brown wielded a combination of fierce soul grit, earthy sensuality and feminine passion to send single after single onto the R&B charts. With '50s hits like the heat-seeker "Mama He Treats Your Daughter Mean" and the swingin' stroller "5-10-15 Hours", she helped put her label, the infant Atlantic Records, on the map.