Midlife Crisis plays classic rock ‘n’ roll at the Rockland Elks Lodge #1008, 210 Rankin St. As a benefit for Trekkers. Cost: $15; $150 for priority seating table of 10. For tickets, call Trekkers office in Thomaston at 594-5095 or Kim Simmons at 372-8539. Age 21 and older; social hour with hors d’oeuvres at 7 p.m., music starts 8 p.m. Proceeds go towards 10th Grade Trekkers Rocky Mountain Expedition.