Thomas "Fats" Waller was an American jazz pianist, organist, composer, and singer.  His innovations in the Harlem stride contributed to the development of modern jazz piano. A widely popular star in the jazz and swing eras, he toured internationally, achieving critical and commercial success in the United States and Europe. His best-known compositions, "Ain't Misbehavin'" and "Honeysuckle Rose", were inducted into the Grammy Hall of Fame.