Over the Rainbow, "Stormy Weather," and "One for My Baby" are just a few of Harold Arlen's well-loved compositions. Yet his name is hardly known--except to the musicians who venerate him. At a gathering of songwriters George Gershwin called him "the best of us." Irving Berlin agreed. Paul McCartney sent him a fan letter and became his publisher. Bob Dylan wrote of his fascination with Arlen's "bittersweet, lonely world." A cantor's son, Arlen believed his music was from a place outside himself, a place that also sent tragedy. When his wife became mentally ill and was institutionalized he...

George Gershwin lived with purpose and gusto, but with melancholy as well, for he was unable to make a place for himself--no family of his own and no real home in music. He and his siblings received little love from their mother and no direction from their father. Older brother and lyricist Ira managed to create a home when he married Leonore Strunsky, a hard-edged woman who lived for wealth and status. The closest George came to domesticity was through his longtime relationship with Kay Swift. She was his lover, musical confidante, and fellow composer. But she remained married to another man...