Datebook
SEPTEMBER Best of Chicago voting is live now. Vote for your favorites » Before singer and drummer Li’l Wally slowed down the beat and stripped down the music, polka was usually played at a fast clip by a large band that didn’t interact much with the audience. Wally’s emotional, horn-heavy approach spearheaded the rise of the “Chicago style” polka that was popular in the 1950s. “To me it connects with punk rock,” says musician Don Hedeker, “which I love because it’s a DIY thing and more about having a good time than whether you play the right notes....