Meshell Ndegeocello is an unassuming colossus whose body of work extends far beyond the early hits and virtuosic bass playing with which she is most associated. "If That's Your Boyfriend (He Wasn't Last Night)," her taunting and funky breakout single, immediately set her apart as an instrumentalist, vocalist, songwriter, and producer. Less than a year after the song entered Billboard's R&B/hip-hop, dance, and pop charts, Ndegeocello was nominated for four Grammys, including Best R&B Album for Plantation Lullabies (1993) and Best Pop Vocal Collaboration for "Wild Night," her To...