pLike all double albums, iSongs in the Key of Lifei is imperfect but audacious. If its titular concern - life - doesn't exactly allow for rigid focus, it's still a fiercely inspired collection of songs and one of the definitive soul records of the 1970s. Stevie Wonder was unable to control the springs of his creativity during that decade. Upon turning 21 in 1971, he freed himself from the Motown contract he'd been saddled with as a child performer, renegotiated the terms, and unleashed hundreds of songs to tape. Over the next five years, Wonder would amass countless recordings and release his five greatest albums - as prolific a golden period as there has ever been in contemporary music. But iSongs in the Key of Lifei is different from the four albums that preceded it it's an overstuffed, overjoyed, maddeningly ambitious encapsulation of all the progress Stevie Wonder had made in that short space of time.ppZeth Lundy's book, in keeping with the album's themes, is structured as a life c