The electronic pop chanteuse Dido entered London's Guildhall School of Music at age six; by the time she reached her teens, the budding musician had already mastered piano, violin, and recorder. After touring with a British classical ensemble, she accepted a publishing job. Meanwhile, she sang with a series of local groups before joining the trip-hop outfit Faithless -- helmed by her older brother, the noted DJ and producer Rollo -- in 1995. The group released its debut album, Reverence, the following year. It went on to sell over five million copies worldwide, and Dido parlay...