The Royal Berkshire Improv Troupe or RBIT will be performing once again at Main Street Stage on Saturday April 25th at 8 p.m. Tickets are $5 at the door. Main Street Stage is located at 55 Main St in North Adams. RBIT is a comedy improv group that has been delighting audiences with its own brand of non-scripted comedic mayhem since June of 2001. Performing a mix of theater games reminiscent of the TV show Whose Line Is It Anyway?, the group models its work on the teachings of renowned theater games/improvisation instructor Keith Johnstone. Through audience participation, RBIT's mission is to create entertaining scenes which explore the boundaries of theater improvisation. Troupe members include, Frank LaFrazia, Alexia Trainor, Michael Trainor, Lisa Weinstein, Barb Cardillo, Seth Brown and Paul Lemoine.