Halloween revelry isn’t just for the kiddies. Adults can dance, drink, and show off their costumes while local favorites The Crumpletons perform ’60s music and assorted psychedelic melodies. This benefit for the Drama Program at the Lawrence Arts Center is $10 per person and a cash bar will be available. The event begins at 9 p.m. today at the Lawrence Arts Center, 940 N.H. Judging of costumes will take place promptly at 11 p.m. Prizes which will vary from pieces of art to downtown Lawrence treats to a few white elephants.