Kanye West headlined Hot 107.9’s 20th Birthday Bash in Atlanta. The event, which has been named the Summer Jam of the Dirty South. Previously, it has featured artists like Jay Z, Drake and Lil Wayne. Kanye’s set included some surprises including an appearance from 2 Chainz during “Mercy” and a freestyle that reference the recent murders in Chaleston, South Carolina. You can watch the footage below via MissInfo.tv. Reportedly whilst in Atlanta, he also spent some time in the studio with 2 Chainz.