These days, Bad Religion frontman Greg Graffin looks and dresses like a sitcom dad. Somehow, that made it even more fun to watch him lead his grizzled band through “Past Is Dead,” a terse and muscular melodic-hardcore banger from their new True North album, on last night’s episode of Late Night With Jimmy Fallon. Also: Those harmonies! Watch it below.

True North is out now on Epitaph.