Musical / Characters: 10m 7f Cast can be expanded for large groupsGoodbye gray skies hello blue! Happy days are here again with Richie Potsie Ralph Malph and the unforgettable "king of cool" Arthur "The Fonz" Fonzarelli. Based on the hit Paramount Pictures television series Happy Days A New Musical reintroduces one of America's best loved families the Cunninghams -- yes Howard Marion and Joanie are here too -- to a whole new generation of kids and parents.The famed drive-in malt sh