Summer Jam 23 is a six-week jam session class featuring three instructors on guitar, bass and drums. Classes meet from 6:30 to 8:30 p.m. Thursdays at starting June 15 at Sons of Norway Hall in downtown Vancouver, 2400 Grant St., Vancouver. The cost is $120 per person for all six sessions. Register at jam-session-checkout.square.site. Learn more at www.bassfitz.com.