Loon was part of P. Diddy's Bad Boy records, where he released his self-titled debut album. In 2004, He left Bad Boy to start his own label, Boss Up Entertainment. He started his music career as a member of Mase's rap collective Harlem World (group). He converted to Islam while on a tour in Dubai in December 2008, and changed his name to Amir Junaid Muhadith. Watch this video about Loon's conversion.