What 2014 mixtape is by an individual who wrote for an artist signed to Warner Bros.?
Wiz Khalifa Cameron Jibril Thomaz (born September 8, 1987), better known by his stage name Wiz Khalifa, is an American rapper and actor. He released his debut album, "Show and Prove", in 2006, and signed to Warner Bros. Records in 2007. His Eurodance-influenced single, "Say Yeah", received urban radio airplay, charting on the Rhythmic Top 40 and Hot Rap Tracks charts in 2008.
Prevolver prEVOLVEr is a mixtape by American recording artist T-Pain. The prequel to his album, "RevolveR", the mixtape was released on May 4, 2011, for free download on the Nappy Boy website. The mixtape contains 30 tracks with guest appearances from Lil Wayne, Birdman, 2 Chainz, Krizz Kaliko, Bow Wow, Mistah Fab, Field Mob, Brisco, One Chance and others.