The American rock music scenario is today dominated by the likes of Demi Lovato, Courtney Love, and Kelly Clarkson who with the power of their music have earned millions of fans from all over the world. American rock is a dynamic musical genre with its roots in the 1940s and 1950s rock and roll, rhythm and blues, and country music. Elvis Presley, often referred to as "the King of Rock and Roll", or simply, "the King", was the most commercially successful figure to emerge from rock and roll. Other artists with early rock and roll hits include Chuck Berry, Bo Diddley, Fats Domino, Little Richard, Jerry Lee Lewis, and Gene Vincent. Ray Charles and Sam Cooke led the development of soul music from the mid-1950s. Lonnie Mack pioneered the America blues rock while another rock star Jimi Hendrix became one of the most influential electric guitarists in the history of popular music, and one of the most celebrated musicians of the 20th century. Joan Baez and Bob Dylan played major roles in the development of country rock, setting the pace for the hybridization of folk and rock. This section provides you information about the life and works of famous American rock singers.