B.o.B drops his latest mixtape EPIC (Every Play Is Crucial) which features appearances from some serious heavyweights, including Eminem, Lil Wayne, T.I., Mos Def, Roscoe Dash, Bun B, 2 Chainz, and more. The 15-track mixtape also features production from a slew of producers like Jim Jonsin, Dr. Luke, Ryan Tedder, and Mike Caren. EPIC is offer up for free as a warmup to B.o.B’s upcoming sophomore album Strange Clouds, due next spring. Grab EPIC below.