 Jonsin has contributed production to albums including Beyoncé's "I Am... Sasha Fierce" (2010 Best Contemporary R&B album), Lil Wayne's "Tha Carter III" (2008 Best Rap Album), Usher's "Raymond v. Raymond" (2011 Best Contemporary R&B album), and Usher's "There Goes My Baby" (2011 Best Male R&B Vocal Performance), and Eminem's "Recovery" (2011 Best Rap Album and Album of the Year).In 2006, Jonsin launched Rebel Rock Entertainment, his own record label imprint and subsequently signed a then unknown musician by the name of B.o.B.Jonsin then partnered with Atlantic Records, and later Grand Hustle, in a joint venture deal to work on B.o.B.