Local bands The Girls of LA, Terry and the Telstars and The Veggies will join forces at the Androscoggin Bank Colisee on Saturday, Oct. 29, for what they are calling “Maine’s Largest Halloween Cos-Tomb Contest and Dance Party.” Doors will open at 6 p.m. Concessions will be open to all, with bars available to those 21 and older. There will be cash prizes, ranging from $100 to $1,000, for best costumes. Admission is $20 in advance, $25 at the door. For tickets, call 783-2009, extension 208; log on to www.thecolisee.com; or visit the Colisee box office on Birch Street, Lewiston.