WGTD of Kenosha, part of Wisconsin Public Radio, will broadcast “The Detective Christmas Cavalcade,” a show mimicking the old-time radio shows of the ’20s, ’30s, and ’40s – complete with actors and sound effects from 11 a.m. – 12 p.m., Lake Lawn Resort, Delavan; 262-728-7950 or lakelawnresort.com.