Keith John is an American R&B singer, best known for his work with Stevie Wonder from the 80's to the present. Keith John is the son of R&B singer Little Willie John. He met Stevie Wonder in the 1970's and would go on to sing backup with him on records and tours. His voice can be heard on many Stevie Wonder recordings. He also had a small role in the Spike Lee film "School Daze" and appeared on the soundtrack to the film, as well as the soundtrack to Lee's film "Do The Right Thing".