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Howard University’s a capella jazz ensemble Afro Blue performed “I Heard It Through The Grapevine” and sounded excellent last night on NBC’s The Sing Off. I preferred their first-round performance, Corinne Bailey Rae’s “Put Your Records On” slightly, but this was still really enjoyable. I think one of the judges who said that they “overthought” the arrangement of the “Grapevine” was correct—-it got a little too modern toward the end. Still, good job, Bison!