Kander and Ebb’s love letter to musical theatre, Curtains, has the hallmarks of a big musical comedy with a riveting murder-mystery tucked inside. Good Company Players’ production, which runs through July 19th, is in top form as it brings the laughs, love stories, and lush music to the Roger Rocka’s Dinner Theater stage. (Cast of Curtains; Photo source: Good Company Players) When a not-in-the-good-way triple-threat Jessica Cranshaw is murdered during bows of a tryout performa