This Is Jazz? Perhaps a more accurate name for the band playing at Johnny Brenda’s tonight is this is hardcore. Or maybe This Is Off-Beat Hardcore, but that’s not particularly catchy, so I suppose This Is Jazz is doing the best it can. Nevertheless, these hardcore locals are a sight to behold, and tonight they split the bill with Violent Bullshit, which features alumnus of legendary hardcore outfit Orchid, notoriously fun live band Les Savy Fav, and other indie-famous players. The show promises to be loud, raucous, and booze-filled, and were I a betting man I’d wager that there will be blood. Johnny Brenda’s, 1201 N. Frankford Ave., 9pm, $10, 21+ (Photo by Dan Bassini) – Adam Downer