Atlantic Ballet Company, P2P Dance Center students and professional guest artists present holiday classic at the Camden Opera House, Elm Street/Route 1. Cost: $20; $14 senior citizens, younger that 12. Tickets at HAV II, Camden; Reading Corner, Rockland; Opera House Video, Belfast; Maine Coast Book Shop, Damariscotta; Townline Video, Warren; or call Michele Cox at 236-2395 or 542-9205. Dec. 6 at 7:30 p.m.; Dec. 7 and 8 at 3 p.m.; and Dec. 15 at 3 p.m. at Medomak Valley High School, Waldoboro. Tickets at door if available.