Question: Henry Davis, was an American Broadway actor and singer, he created the role of Robbins in George Gershwin's opera, titled what?

Context articles: Cuban Overture
Highlights from Porgy and Bess
Gershwin Theatre
Henry Davis (performer)
George Gershwin
Charles Henry Davis (businessman)
Hershey Felder
Catfish Row
Michael &amp; George: Feinstein Sings Gershwin
Robert Mosley

Cuban Overture is a symphonic overture or tone poem for orchestra composed by American composer George Gershwin.
 Originally titled "Rumba", it was a result of a two-week holiday which Gershwin took in Havana, Cuba in February 1932.
 Gershwin composed the piece in July and August 1932.
Highlights from Porgy and Bess, the 1935 album of George Gershwin's opera, was recorded just days after Porgy and Bess opened on Broadway on October 10, 1935.
 While the opera was performed by an all-African American singing cast, the 1935 album featured mostly white opera singers.
 Gershwin's involvement is clearly stated on the album cover, which reads "Recorded under the supervision of the composer."
The Gershwin Theatre is a Broadway theatre located at 222 West 51st Street in midtown-Manhattan in the Paramount Plaza building.
 The theatre is named after brothers George Gershwin, a composer, and Ira Gershwin, a lyricist.
 It has the largest seating capacity of any Broadway theatre with 1,933 seats.
Henry Davis (1886 Chicago, Illinois, U.S. – April 1, 1946 New York, New York, U.S.) was an American Broadway actor and singer.
 He created the role of Robbins in Gershwin's opera "Porgy and Bess" and appeared on Broadway stages between 1900 and 1942.
George Jacob Gershwin ( ; September 26, 1898 July 11, 1937) was an American composer and pianist.
 Gershwin's compositions spanned both popular and classical genres, and his most popular melodies are widely known.
 Among his best-known works are the orchestral compositions "Rhapsody in Blue" (1924) and "An American in Paris" (1928) as well as the opera "Porgy and Bess" (1935).
Charles Henry Davis (also known as Carl Henry Davis) (1865–1951) was an American businessman and civil engineer.
 He was the president and co-founder of the National Highways Association.
Hershey Felder (born July 9, 1968) is a Canadian pianist, actor, playwright, composer, producer, and director.
 He created (as playwright, actor, and pianist) the role of American composer George Gershwin for the theatrical stage in the play "George Gershwin Alone", which was followed by the creation of the roles of Fryderyk Chopin, the Polish composer-pianist; Ludwig van Beethoven and Gerhard von Breuning in "Beethoven"; Leonard Bernstein in "Maestro Bernstein"; Franz Liszt in "Musik"; Irving Berlin in "Hershey Felder as Irving Berlin"; and Piotr Ilyich Tchaikovsky in "Our Great Tchaikovsky".
 "The Composer Sonata" comprises these works.
"Catfish Row", originally titled "Suite from "Porgy and Bess"", is an orchestral work by George Gershwin based upon music from his famous opera.
 Gershwin completed the work in 1936 and it premiered at the Academy of Music in Philadelphia on January 21 of that year, with Alexander Smallens conducting the Philadelphia Orchestra.
 Gershwin played the piano part, including the piano solo in the opening moments.
 This piece preserves some of the darkest and most complex music Gershwin ever wrote.
Michael & George: Feinstein Sings Gershwin is a 1998 album by American vocalist Michael Feinstein of songs composed by George Gershwin.
 It was Feinstein's third album of Gershwin's music, following "Pure Gershwin" (1987) and "" (1996).
Robert Mosley (1927 – April 30, 2002) was an American operatic bass-baritone.
 Part of the first generation of African-American opera singers to achieve wide success, he performed in numerous opera productions, recitals, and in concerts from the 1950s through the 1990s.
 In 1957 he won the Metropolitan Opera National Council Auditions.
 He drew particular acclaim for his portrayal of Porgy in George Gershwin's "Porgy and Bess", a role which he portrayed in the landmark 1976 Houston Grand Opera production, on Broadway, and at the Metropolitan Opera among other opera companies both in the United States and in Europe.