What Chicago collective had a member release a free mixtape?
Free (Based Freestyles Mixtape): Free (Based Freestyles Mixtape) is a collaborative mixtape by American rappers Lil B and Chance the Rapper. Chance the Rapper: Chancellor Johnathan Bennett (born April 16, 1993), known professionally as Chance the Rapper, is an American rapper, singer, songwriter, record producer, and actor from the West Chatham neighborhood of Chicago, Illinois. Chance the Rapper:  Apart from his solo career, he is a member of the Chicago collective Save Money (along with frequent collaborator Vic Mensa).
i don't know