Chance the Rapper's Acid Rap mixtape download and stream options available. Acid Rap is the second mixtape released by Chicago rap artist 'Chance the Rapper'. Chance the Rapper built a cult following after realeasing his first mixtape titled '10 Day', many critics believe this one is better than '10 Day'. Acid Rap contains guest appearances by Twista, Childish Gambino, Action Bronson, Ab-Soul, BJ The Chicago Kid as well as numerous other musician.