The Gilbert & Sullivan Opera Company and the University of Chicago Department of Music will return to Mandel Hall  with a production of H.M.S. Pinafore, or The Lass that Loved a Sailor. One of the most popular of the G&S operettas, Pinafore offers unforgettable characters in a romantic satire of the British social class system. It pokes fun at patriotism, party politics, the royal navy, and the rise of unqualified persons to positions of authority.