At last night's annual OVO Fest, Drake opened his set with "Charged Up" and "Back to Back Freestyle", his one-two punch of diss tracks aimed at Meek Mill. Drake took the opportunity to further troll Meek by projecting a "Participation Award" for his diss track "Wanna Know". He also apparently wore a "Free Meek Mill" shirt during rehearsal. In addition Drake premiered a new Meek diss track entitled "3 Peat". Listen after the jump.