“Some people just know how to make an entrance. "Good Ass Intro," a cut from Chicago rhymer Chance the Rapper's forthcoming Acid Rap, sounds like a star-maker, a reputation-cementer; "good-ass" just isn't the half of it. The track, produced by Stefan Ponce and Peter Cottontale with a vocal assist from BJ the Chicago Kid, slides effortlessly from loose, gospelly chords to the unmistakable clatter of”