The Pirates of Penzance
Overview
The Pirates of Penzance; or, The Slave of Duty is a comic opera
Comic opera
Comic opera denotes a sung dramatic work of a light or comic nature, usually with a happy ending.Forms of comic opera first developed in late 17th-century Italy. By the 1730s, a new operatic genre, opera buffa, emerged as an alternative to opera seria...

 in two acts, with music by Arthur Sullivan
Arthur Sullivan
Sir Arthur Seymour Sullivan MVO was an English composer of Irish and Italian ancestry. He is best known for his series of 14 operatic collaborations with the dramatist W. S. Gilbert, including such enduring works as H.M.S. Pinafore, The Pirates of Penzance and The Mikado...

 and libretto
Libretto
A libretto is the text used in an extended musical work such as an opera, operetta, masque, oratorio, cantata, or musical. The term "libretto" is also sometimes used to refer to the text of major liturgical works, such as mass, requiem, and sacred cantata, or even the story line of a...

 by W. S. Gilbert
W. S. Gilbert
Sir William Schwenck Gilbert was an English dramatist, librettist, poet and illustrator best known for his fourteen comic operas produced in collaboration with the composer Sir Arthur Sullivan, of which the most famous include H.M.S...

. The opera's official premiere was at the Fifth Avenue Theatre
Fifth Avenue Theatre
Fifth Avenue Theatre was a Broadway theatre in New York City in the United States located at 31 West 28th Street and Broadway. It was demolished in 1939....

 in New York City on 31 December 1879, where the show was well received by both audiences and critics. Its London debut was on 3 April 1880, at the Opera Comique
Opera Comique
The Opera Comique was a 19th-century theatre constructed in Westminster, London, between Wych Street and Holywell Street with entrances on the East Strand. It opened in 1870 and was demolished in 1902, to make way for the construction of the Aldwych and Kingsway...

, where it ran for a very successful 363 performances, having already been playing successfully for over three months in New York.

The story concerns Frederic, who, having completed his 21st year, is released from his apprenticeship to a band of tender-hearted pirates.
Quotations

FREDERIC: Yes, I have done my best for you. And why? It was my duty under my indentures, and I am the slave of duty.

KING: Well, Frederic, if you conscientiously feel that it is your duty to destroy us, we cannot blame you for acting on that conviction. Always act in accordance with the dictates of your conscience, my boy, and chance the consequences.

KING: There are the remains of a good woman about Ruth.

 
x
OK