Get cheap tickets to see Curtains, a hilarious murder mystery musical showing August 9-11 at the Greater Boston Stage Company. Immerse yourself in the Boston theatre scene back in 1959. Watch as the opening night of a new musical takes a turn when the lead is murdered. Then the local detective completely locks down the theatre in order to conduct the investigation. Find cheap tickets here to see the musical Curtains! Goldstar is even offering free comp tickets one night,…