Caveman. They say that they got to The Bowery Electric at 1, started drinking at 3, and the show started at 8. Well, they got me beat. Damn day job. But the open bar during the show was an immediate comfort. “Drink some whiskey,” said singer Matt Iwanusa to the intimate room full at Bowery Electric. “It’s on us.” And hot damn did they play well in the midst of their binge.