(Vocal Score). The Pirates of Penzance, premiered in 1879, confirmed the comic genius of librettist W.S. Gilbert and composer Arthur Sullivan, following on the heels of their wildly successful H.M.S. Pinafore . Pirates invade the rocky coast of Cornwall in this topsy-turvy tale of love and duty, highlighted by the famous strains of "Poor Wandering One," "I Am the Very Model of a Modern Major-General," "Oh, Is There Not One Maiden Breast" and "With...