(M.1.C.S.) My 1st Chemistry Set is the debut collaboration album by Detroit rapper Boldy James and producer The Alchemist, released on October 15, 2013 through Decon. It was preceded by Boldy James' EP, Grand Quarters (2013). M.1.C.S. was entirely produced by The Alchemist and features guest appearances from Action Bronson, Domo Genesis, Earl Sweatshirt, Freeway, King Chip and Vince Staples among others. On September 12, 2013, the lead single from the album, "Moochie," was leaked onto the Internet. The following single, "Reform School," was leaked on October 7, 2013. M.1.C.S. was generally well received by music critics. Complex named it amongst the best albums of October 2013.