Meaning of PIRATES OF PENZANCE in English

a comic opera (1880) by W S Gilbert and Arthur Sullivan , one of their Savoy Operas . It is about a group of pirates who are all in fact of noble birth and a group of policemen who are not very brave. One of the best-known songs in the opera is A Policeman’s Lot is Not a Happy One .

Oxford guide to British and American culture English vocabulary.      Руководство по британской и американской культуре, Оксфордский английский словарь.