Question: What is the nationality of the man who wrote the music for A Chorus Line?

full_context: Document 1: Hamilton (album): Hamilton is the cast album to the 2015 musical "Hamilton". The musical is based on the 2004 biography of Alexander Hamilton written by Ron Chernow, with music, lyrics, and book by Lin-Manuel Miranda. The recording stars Lin-Manuel Miranda, Leslie Odom Jr., Phillipa Soo, Renée Elise Goldsberry, Christopher Jackson, Daveed Diggs, Anthony Ramos, Okieriete Onaodowan, Jasmine Cephas Jones, and Jonathan Groff. It also features Jon Rua, Thayne Jasperson, Sydney James Harcourt, Ariana DeBose, and Sasha Hutchings. It achieved the largest first week sales for a digital cast album and is the highest-charting cast album since 1963. It was the highest-selling Broadway cast album of 2015 and peaked at number one on the Rap Album chart, the first cast album to ever do so.
Document 2: High School Musical on Stage!: High School Musical on Stage! is a musical based on the Disney Channel Original Movie "High School Musical", with music and lyrics by Matthew Gerrard, Robbie Nevil, Ray and Greg Cham, Drew Seeley, Randy Petersen, Kevin Quinn, Andy Dodd, Adam Watts, Bryan Louiselle, David N. Lawrence, Faye Greenberg and Jamie Houston, and a book by David Simpatico. It has quickly become a very popular choice for high school musical theatre productions.
Document 3: Falsettos: Falsettos is a musical with a book by James Lapine and William Finn, and music and lyrics by Finn. The musical consists of "March of the Falsettos" and "Falsettoland", the last two installments in one trio of one-act Off-Broadway musicals (the first was "In Trousers"). The story involves Marvin, his ex-wife Trina, his psychiatrist Mendel, his son Jason, his gay lover Whizzer Brown, and his neighbors Cordelia and Dr. Charlotte. The musical premiered on Broadway in 1992 and was nominated for seven Tony Awards, of which it won Best Book of a Musical and Best Original Score. It was revived briefly on Broadway in 2016, and the revival performance was nominated for five Tony Awards.
Document 4: Burt Bacharach: Burt Freeman Bacharach ( ; born May 12, 1928) is an American composer, songwriter, record producer, pianist, and singer who has composed hundreds of popular hit songs from the late 1950s through the 1980s, many in collaboration with popular lyricist Hal David. A six-time Grammy Award winner and three-time Academy Award winner, Bacharach's songs have been recorded by more than 1,000 different artists. s of 2014 , he had written 73 US and 52 UK Top 40 hits. He is considered one of the most important composers of 20th-century popular music.
Document 5: André Previn: André George Previn, KBE ( ; born Andreas Ludwig Priwin; April 6, 1929) is a German-American pianist, conductor, and composer. Previn is the winner of four Academy Awards for his film work and ten Grammy Awards for his recordings (and one more for his Lifetime Achievement).
Document 6: Stephen Sondheim: Stephen Joshua Sondheim ( ; born March 22, 1930) is an American composer and lyricist known for more than a half-century of contributions to musical theatre. Sondheim has received an Academy Award, eight Tony Awards (more than any other composer, including a Special Tony Award for Lifetime Achievement in the Theatre), eight Grammy Awards, a Pulitzer Prize, a Laurence Olivier Award, and a 2015 Presidential Medal of Freedom. He has been described by Frank Rich of "The New York Times" as "now the greatest and perhaps best-known artist in the American musical theater." His best-known works as composer and lyricist include "A Funny Thing Happened on the Way to the Forum", "Company", "Follies", "A Little Night Music", "Pacific Overtures", "", "Merrily We Roll Along", "Sunday in the Park with George", "Into the Woods", "Assassins", and "Passion". He also wrote the lyrics for "West Side Story" and "Gypsy".
Document 7: Donald Martino: Donald James Martino (May 16, 1931 – December 8, 2005) was a Pulitzer Prize winning American composer.
Document 8: Marvin Hamlisch: Marvin Frederick Hamlisch (June 2, 1944August 6, 2012) was an American composer and conductor. Hamlisch was one of only twelve people to win Emmy, Grammy, Oscar and Tony awards. This collection of all four is referred to as an "EGOT". He is one of only two people (along with Richard Rodgers) to have won those four prizes and a Pulitzer Prize.
Document 9: 21 Chump Street: 21 Chump Street is a fifteen-minute musical written by composer Lin-Manuel Miranda, who most notably created the Broadway musicals "In the Heights", "Bring It On the Musical" and "Hamilton". The show was based on an episode of "This American Life," where a high school student fell in love with an undercover police officer, and ultimately was arrested for selling drugs to the officer in an attempt to impress her. The musical premiered in a showcase put on by "This American Life", held at the Brooklyn Academy of Music on June 7, 2014.
Document 10: A Chorus Line: A Chorus Line is a musical with music by Marvin Hamlisch, lyrics by Edward Kleban and a book by James Kirkwood, Jr. and Nicholas Dante. Centred on seventeen Broadway dancers auditioning for spots on a chorus line, the musical is set on the bare stage of a Broadway theatre during an audition for a musical. "A Chorus Line" provides a glimpse into the personalities of the performers and the choreographer as they describe the events that have shaped their lives and their decisions to become dancers.
Document 11: Hamilton (musical): Hamilton: An American Musical is a sung- and rapped-through musical about the life of American Founding Father Alexander Hamilton, with music, lyrics and book by Lin-Manuel Miranda, inspired by the 2004 biography "Alexander Hamilton" by historian Ron Chernow. Notably incorporating hip-hop, rhythm and blues, pop music, traditional-style show tunes and color-conscious casting of non-white actors as the Founding Fathers and other historical figures, the musical achieved both critical acclaim and box office success.
Document 12: What I Did for Love (A Chorus Line): "What I Did for Love" is a song from the musical "A Chorus Line" (music by Marvin Hamlisch, lyrics by Edward Kleban). It was quickly recognized for its show-business potential outside Broadway and was picked up by popular singers to include in their performances in their club and television appearances. Both female and male singers have made it an inclusion in their recorded albums to great effect. "The Daily Telegraph" described it as a "big anthem".
Document 13: Oscar Hammerstein II: Oscar Greeley Clendenning Hammerstein II ( ; July 12, 1895 – August 23, 1960) was an American librettist, theatrical producer, and (usually uncredited) theatre director of musicals for almost forty years. Hammerstein won eight Tony Awards and two Academy Awards for Best Original Song. Many of his songs are standard repertoire for vocalist's and jazz musicians. He co-wrote 850 songs. Hammerstein was the lyricist and playwright in his partnerships; his collaborators wrote the music. Hammerstein collaborated with numerous composers, such as Jerome Kern, with whom he wrote "Show Boat", Vincent Youmans, Rudolf Friml, Richard A. Whiting and Sigmund Romberg; but he is best known for his collaborations with Richard Rodgers, as the duo Rodgers and Hammerstein which include "Oklahoma!", "Carousel", "South Pacific", "The King and I", and "The Sound of Music".
Document 14: Henry Mancini: Enrico Nicola "Henry" Mancini (April 16, 1924 – June 14, 1994) was an American composer, conductor and arranger, who is best remembered for his film and television scores. Often cited as one of the greatest composers in the history of film, he won four Academy Awards, a Golden Globe, and twenty Grammy Awards, plus a posthumous Grammy Lifetime Achievement Award in 1995.
Document 15: Jonathan Tunick: Jonathan Tunick (born April 19, 1938, New York City) is an American orchestrator, musical director, and composer, one of twelve people to have won all four major American show business awards: the Tony Awards, Academy Awards, Emmy Awards and Grammy Awards. He is best known for his work with Stephen Sondheim, starting in 1970 with "Company" and continuing to the present day.
ground_truth: American