Acid Rap is the second mixtape by American rapper Chance the Rapper. The project is a sequel to his debut studio mixtape, 10 Day. The mixtape was recorded from 2012 to 2013 in Soundscape, Force One, Seven, and Classick, all studios based in Chance's home city of Chicago. The mixtape was produced by Nate Fox and Peter Cottontale, Cam O'bi, Stefan Ponce, Two-9 member Ceej, Nosaj Thing, DJ Ozone, Ludwig Göransson, Odd Future member Brandun DeShay, Blended Babies, Jake One, and Na'el Shehade. The project features artists such as BJ the Chicago Kid, Lili K., Nosaj Thing, fellow Savemoney member Vic Mensa, Twista, Noname, Saba, Childish Gambino, Action Bronson, and Ab-Soul.