High Quality Content by WIKIPEDIA articles! Christopher "Tricky" Stewart (born January 4, 1974) is an American songwriter, music producer, music publisher, executive producer, recording industry executive and recording studio owner. In a career spanning 16 years, Stewart, at the helm of his company RedZone Entertainment, is responsible for over 25 million records sold. He is noted for producing many pop and R&B chart topping singles, such as Beyonce s Single Ladies (Put a Ring on It) ,Jennifer Lopez's "Louboutins", Britney Spears's "Me Against the Music", Mýa s Case Of The Ex , Rihanna s Umbrella , Mary J. Blige s Just Fine , Mariah Carey's "Touch My Body" and "Obsessed", Jesse McCartney s Leavin' , Justin Bieber's "One Time" and many others.