Puccini’s La fanciulla del West is, one suspects, one of those works that modern audiences struggle to keep a straight face through. The hero, for a start, decides to call himself Dick Johnson. The piece’s Wild West trappings, long since staled into Hollywood cliché, still seem a strange fit for the operatic stage (it was performed here as The Girl of the Golden West, with Kelley Rourke’s translation delivered in a variety of American accents).