Question: A Bayou Legend is an American opera composed by William Grant Still, was an American composer, who composed more than 150 works, including five symphonies and eight operas, with a libretto by his wife and frequent collaborator, who?
Context: The Mississippi Opera is an American opera company located in Jackson, Mississippi.  Founded in 1945, the company presents an annual season of opera consisting of two fully staged opera productions and smaller concerts and workshops open to the public.  The company's productions are performed at the Belhaven University Center for the Arts.  Composer William Grant Still and soprano Leontyne Price both have associations with the company. Alessandro Nini (born in Fano near Pesaro, 1 November 1805 – died in Bergamo, 27 December 1880) was an Italian composer of operas and church music, also chamber music and symphonies.  Of the eight operas he composed, "La marescialla d'Ancre" is considered his best work.  He also contributed to a portion of Messa per Rossini.  Specifically the fifth section of "II.  Sequentia", Ingemisco for solo tenor and chorus. The Juggler of Our Lady is an opera in one act composed by Ulysses Kay to a libretto by Alexander King.  The libretto is based on Robert O. Blechman's 1953 book "The Juggler of Our Lady.  A Medieval Legend".  Composed in 1956, the opera premiered on 23 February 1962 in New Orleans, Louisiana performed by the Xavier University Opera Workshop.  It was performed again in 1972 by Opera/South in Jackson Mississippi in a double bill with William Grant Still's opera "Highway 1, U.S.A.".  The 1972 performance of both operas was also broadcast on Voice of America. Benjamin Louis Paul Godard (18 August 184910 January 1895) was a French violinist and Romantic-era composer of Jewish extraction.  Godard composed eight operas, five symphonies, two piano and two violin concertos, string quartets, sonatas for violin and piano, piano pieces and etudes, and more than a hundred songs.  He is best known for his opera Jocelyn.  He died at the age of 45 in Cannes (Alpes-Maritimes) of tuberculosis and was buried in the family tomb in Taverny in the French department of Val-d'Oise. Fabio Campana (14 January 1819 – 2 February 1882) was an Italian composer, opera director, conductor, and singing teacher who composed eight operas which premiered between 1838 and 1869.  He was born in Livorno, the city where his first two operas premiered, but in the early 1850s he settled in London.  There he opened a famous singing school, conducted concerts, and continued his reputation as a prolific and popular composer of art songs and concert arias. His last opera, "Esmeralda", premiered in Saint Petersburg in 1869, followed by London performances in 1870 with Adelina Patti in the title role.  Campana died in London at the age of 63.  Although his operas are no longer performed, his art songs can be heard on several modern recordings. Troubled Island is an American opera in three acts composed by William Grant Still, with a libretto begun by poet Langston Hughes and completed by Verna Arvey.  She married the composer following their collaboration. Frederick Shepherd Converse (January 5, 1871 – June 8, 1940), was an American composer of classical music, whose works include four operas and five symphonies. William Grant Still (May 11, 1895 – December 3, 1978) was an American composer, who composed more than 150 works, including five symphonies and eight operas. A Bayou Legend is an American opera composed by William Grant Still, with a libretto by his wife and frequent collaborator, Verna Arvey. Arif Malikov (also Melikov; September 13, 1933 in Baku) is an Azerbaijani and Soviet composer.  He graduated from the Baku Conservatory as a music composer in 1958.  He shot to fame in 1961 when his first major composition "Legend of Love" was staged at the Kirov State Academic Theatre of Opera and Ballet in Leningrad (present day St Petersburg) and received nationwide acclaim.  The ballet has been staged in several countries in Europe and is regarded as one of the finest works emerging from the former Soviet Union.  The ballet "Legend of Love", is based upon the legend of "Farhad and Shirin", a story of unrequited love that was immortalized by Turkish poet Nazim Hikmet.  Since then, Malikov has written music for two more ballets including "Yer üzündə iki nəfər (balet)" ("Dvoe" or "Two") (1967) and "Poem of Two Hearts" (1981), five symphonies & eight symphony poems.  He has also written scores for a large number of films and plays and is familiar with practically all genres of music composition.
Answer: Verna Arvey