This month’s theme is “political songs.” Sign-ups begin at 7:30 p.m., and the show is at 8 p.m. Wednesday, Nov. 4, at the Wild Goose Cafe and Bar, 2365 Ashland St., Ashland. Singer, songwriter and guitarist Gene Burnett will open the session with a short set of his lyrically-driven originals and several covers, including “The Times They Are a-Changin’ ” by Bob Dylan, “Revolution” by The Beatles and “Won’t Get Fooled Again” by The Who. The open mic is free and held the first Wednesday of every month.