Dancers in tutus fluttered their arms in a packed theatre resonating with the well-known classical music as Cornell Ballet Club performed their interpretation of Swan Lake’s second act on Saturday evening.  Founded just seven months ago as the University’s first and only ballet club, CBC captivated its sold-out Schwartz Performing Arts Center audience with the beloved classic on Saturday night.  CBC put unique spins on the production, making the show its own. Usually set on a moonlit lake, the rendition took place at a more familiar setting — Beebe Lake. The Swan Queens and their maidens are cursed by a spell that transforms them into swans by day. With no…