Question: Plain and Fancy had music written by which German-American composer?

Context paragraphs:
Double Concerto (Previn): The Double Concerto for Violin, Violoncello, and Orchestra is a 2014 composition by the German-American composer André Previn.  The work was co-commissioned by the Cincinnati Symphony Orchestra and Linton Music with financial support from Ann and Harry Santen.  It was additionally commissioned by the Austin Symphony Orchestra, the Detroit Symphony Orchestra, the Deutsche Kammerphilharmonie Bremen, the Kansas City Symphony, the Pacific Symphony, the Swedish Chamber Orchestra, and the Toronto Symphony Orchestra.  The world premiere was given by the husband/wife duo of the violinist Jaime Laredo and the cellist Sharon Robinson with the Cincinnati Symphony Orchestra under the direction of Louis Langrée in Cincinnati on November 21, 2014.  The concerto is dedicated to Jaime Laredo and Sharon Robinson.

Otto Luening: Otto Clarence Luening (June 15, 1900 – September 2, 1996) was a German-American composer and conductor, and an early pioneer of tape music and electronic music.

Gershon Kingsley: Gershon Kingsley (born Götz Gustav Ksinski; October 28, 1922) a contemporary German-American composer, is a pioneer of electronic music and the Moog synthesizer and founder of the First Moog Quartet, as a partner in the electronic music duo Perrey and Kingsley, and writer of rock-inspired compositions for Jewish religious ceremonies.

Edward Mack: Edward Mack (1826–1882), also known as E. Mack, was a German-American composer known mainly for his military march music.

Plain and Fancy: Plain and Fancy is a musical comedy with a book by Joseph Stein and Will Glickman, lyrics by Arnold Horwitt, and music by Albert Hague.  One of the first depictions of an Amish community in American pop culture, it includes a traditional barn raising and an old-fashioned country wedding.  The musical ran on Broadway in 1955-56, and has been produced yearly at the Round Barn Theatre in Nappanee, Indiana since 1986.

Philip Phile: Philip Phile (German: Pfeil) (c.1734–1793) was a German-American composer and violinist.  His year of birth is uncertain, but believed to be approximately 1734.  His works include a lost Violin Concerto (1787), but he is best known for "The President's March", written and performed at the inauguration of President George Washington.

Lost in the Stars: The Music of Kurt Weill: Lost in the Stars: The Music of Kurt Weill is a 1985 tribute album to German-American composer Kurt Weill.  It was executive-produced by Hal Willner and John Telfer, and produced by Hal Willner and Paul M. Young.

Carl Venth: Carl Venth (February 16, 1860 – January 29, 1938) was a German-American composer, violinist, conductor, music educator, and scholar.  He was a leading classical music figure in Texas in the first half of the twentieth century and was one of the early music directors of the Dallas Symphony Orchestra.

Albert Hague: Albert Hague (born Albert Marcuse, October 13, 1920 – November 12, 2001) was a German-American songwriter, composer, and actor.

Henning Lohner: Henning Lohner (born 17 July 1961) is a German-American composer and filmmaker.  He is best known for his film scores written as a long-standing member of Hans Zimmer’s music cooperative Remote Control Productions.

Supporting paragraphs: Plain and Fancy Albert Hague
Answer: Albert Hague