Were any performer other than frequently incoherent controversy magnet Tracy Morgan playing 30 Rock’s actor-comedian Tracy Jordan, the character’s Gold Record-winning novelty party song “Werewolf Bar Mitzvah” probably wouldn’t have felt like something that could actually happen. But in the hands of Morgan, the glorious inanity of it all felt absolutely real. Anyway, my point was … um … oh, right! The Scene’s valuable-beyond-his-pay-grade double-threat contributor, writer/photog Lance Conzett, booked tonight’s Halloween-themed 8 off 8th, which is named in honor of the aforementioned fictional novelty song and features an exceptionally strong local lineup. Performers include mirthful live hip-hop outfit The Greater Good, uproarious Halloween-themed MC Shaboi, bedroom-pop wunderkinds Casa Castile, pop-savvy shoegazers Bows and Arrows, dark and gorgeous folksters Lylas, synth-pop heavyweight dandies How I Became the Bomb, punk rockers Bummer (who will be playing all Misfits covers) and chiptune mastermind Fake Brad. (For those of you too square — or perhaps not square enough — to know what chiptune is, we’ll oversimplify for you and call it “video game music.”) Like all 8 off 8th celebrations, this one is absolutely free. But unlike most of them, tonight’s show just might feature boys becoming men — and men becoming wolves!