There are, at least, two artists by this name:
1) A jazz guitarist, born in New York City, USA. He attended Berklee College of Music (Boston), where he received his B.M. Later he received his master’s degree from the University of Miami before going to Nova Scotia to teach. Relocating to Chicago, he subsequently became one of the area’s top jazz guitarist working as a sideman with the cream of the crop of Chicago jazz talent.
2) Born in Hammersmith in the early sixties into a large family. John began his singing career from the very early age of 7 years in the choir of the school he attended. His voice was considered so good that he often was the soloist in choir performances. Also at this time with his interest aroused, he joined a few local bands which gave him an incentive to continue within the music business. At the age of 16 years, he started singing with the sound called 'Black Starliner' which he was not only a active member but also owned, and still has an interest in today. During his days with the sound system, a signature tune for the sound was put together by the same name of the sound, which a little later became his debut single.