O.T. Genasis' thunderous "CoCo" became a crossover hit at the beginning of the year—the track peaked at No. 20 on the Hot 100 in February. The rapper just released his follow-up mixtape, which is amusingly titled R&B: Rhythm & Bricks. The project features Wiz Khalifa, K Camp, Snoop Dogg, and Lil Wayne. Stream or download below.