Towkio, a Chicago rapper with the Save Money crew, just shared “Heaven Only Knows,” a new single from his upcoming mixtape .Wav Theory. He teamed up with Chance the Rapper for the brisk track, which has a certain smoothness to it despite the jittery, slightly glitchy production and the pair’s fast moving verses. Listen to it below, and look for .Wav Theory — which will also feature Vic Mensa and Donnie Trumpet — on April 28.
