Sylvester Rivers is an American composer, arranger, pianist and producer, based in Los Angeles, California. A prolific session musician, he has recorded with numerous major artists including Aretha Franklin, Nancy Wilson, Johnny Mathis, Lionel Richie, Diana Ross, Smokey Robinson, The Temptations, Kenny Rogers, Village People, Deniece Williams, Ray Parker Jr., Marc Bolan, Shalamar, New Edition, Billy Preston, The Sylvers, Earl Klugh, Maxine Nightingale, Gloria Gaynor, The 5th Dimension and many others. He arranged many chart hits including the Number 1 Billboard Hot Soul Single, Candi Staton's, "Young Hearts Run Free."