African purists, look elsewhere. Senegal's crossover king gives "Ob-La-Di, Ob-La-Da" a mbalax (Afro-pop) makeover, gets sensitive with Neneh Cherry and Wyclef, and mixes hits with unreleased tracks, including a fabulous live version of "Set." "Birima," "No More" and "Yo Le Le" show N'Dour at his best: contemplative yet upbeat.