Grammy-winning songwriter / musician / producer Stuart Matthewman AKA COTTONBELLY is a vital part of SADE. The multi-instrumentalist can be heard on sax, guitar, keyboards, and programming. He has appeared on all of Sade's albums: Diamond Life, Promise, Stronger Than Pride, Love Deluxe, and Best of Sade, all of which went triple platinum in the U.S. and have totaled sales over 40 million albums worldwide.