Rz3 Recordings (formally RedZone Entertainment) is an Atlanta-based, music-production entity. Rz3 Recording's discography includes collaborations with many artists, producers, and composers of note, and is responsible for over 25 million records sold. Rz3 Recordings 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. Stewart, Rz3 Recordings serves as both the parent company and production arm of the Stewart brothers' music business and the umbrella company to their management and publishing company, Triangle Studios, and its consulting arm Rz3 For Brands.