Singer Joan of Rock is the stage name of Joan Jett, an American rock singer, songwriter, musician, and actress. She is best known for her work with the band Joan Jett & the Blackhearts, which had hits such as 'I Love Rock 'n' Roll' and 'Crimson and Clover'. Jett has been a major influence on rock music since the 1970s and is considered one of the most influential female rock musicians of all time.