Ronald Nathan Bell (November 1, 1951 – September 9, 2020), also known as Khalis Bayyan, was an American composer, singer, songwriter, arranger, producer, saxophonist and co-founding member of Kool & the Gang. The band recorded nine No. 1 R&B singles in the 1970s and 1980s, including its No. 1 pop single "Celebration". The group is honored on the Hollywood Walk of Fame and was inducted into the Songwriters Hall of Fame and Rock and Roll Hall of Fame.