As the son of John Lennon, perhaps the most beloved Beatle, and avant-garde musician Yoko Ono, Sean Lennon was a celebrity before he even began his recording career. That may be the reason why he didn't choose straight-ahead pop as his musical vocation, like his half-brother Julian did. Instead, he cleverly positioned himself between pop and experimental, taking his cue from such kaleidoscopic '90s multiculturists as the Beastie Boys, Beck, and Cibo Matto. To many ears, his 1998 debut album, Into the Sun, had unexpectedly eclectic roots and a laid-back vibe, earning him positi...