Not to be confused with Sonny J, an English singer-songwriterJustin Osuji (born Glasgow, Scotland), best known by his current alias Sonny J Mason, is a Scottish singer, songwriter, and producer whose style combines "hints of R&B, soul, funk and disco." Mason was signed as a singer-songwriter to Virgin Records at age 14, and his first four singles, released under the name Justin, all reached Top 40 positions in the UK Singles Chart in the late 1990s.