The Isley Brothers' signature sultriness extended to covers and collaborations alike. They recorded a warmly strutting 1971 take on War's surreal classic “Spill the Wine,” while proving smoother than ever on the Babyface-penned “Tears” in 1996. The perennially cool siblings then teamed up with Lil' Kim and repeat creative partner R. Kelly to perfect 2003's drip-dropping R&B earworm “What Would You Do?”.