RedZone Entertainment is an Atlanta-based, music-production entity. Redzone's discography includes collaborations with many artists, producers, and composers of note, and is responsible for over 25 million records sold. RedZone Entertainment has produced acts such as P!nk, Britney Spears, Celine Dion, Mary J. Blige, Usher, Ciara, Sting, Rihanna, and Justin Bieber.Founded in 1995 by music producer Christopher "Tricky" Stewart and artist manager Mark E.