He played bass in the 1980s pop group Spandau Ballet.
During the early 1990's he had a brain tumor removed and a metal plate that was put in place.
Martins wife Shirlie Holliman was a back up singer of the band Wham! and was one half of the duo Pepsi & Shirlie.
Martin has a metal plate in his head due to a brain tumor that was removed, not due to a motorcycle crash as it is believed by some