Westerberg was chatty throughout the show, looking down at the front row at one point and asking, “How long have you been here? Eight [a.m.]? Early day. Good stuff.” After “Color Me Impressed,” “Tommy Gets His Tonsils Out” and “Kiss Me on the Bus,” he asked “Any requests? Should we go with ‘Androgynous?’ Yeah? No piano on it; it’s gonna be stiff.” When he messed up the words, the crowd sang them back. Two songs later, on “I Will Dare,” it happened again. “You know the next line? I don’t.” It was funny, not sloppy, and rock & roll. The band, notorious for drunken performances back in the day, played it straight, but with humor and ease and professionalism.