Question: What is the name of the musician who is a winner of four Academy Awards and also composed music for It's Always Fair Weather?

full_context: Document 1: Betty Comden: Betty Comden (May 3, 1917 November 23, 2006) was one-half of the musical-comedy duo Comden and Green, who provided lyrics, libretti, and screenplays to some of the most beloved and successful Hollywood musicals and Broadway shows of the mid-20th century. Her writing partnership with Adolph Green, called "the longest running creative partnership in theatre history", lasted for six decades, during which time they collaborated with other leading entertainment figures such as the famed "Freed Unit" at MGM, Jule Styne and Leonard Bernstein, and wrote the musical comedy film "Singin' in the Rain".
Document 2: Good News (1947 film): Good News is a 1947 American MGM musical film based on the 1927 stage production of the same name. It starred June Allyson, Peter Lawford, Mel Tormé, and Joan McCracken. The screenplay by Betty Comden and Adolph Green was directed by Charles Walters in Technicolor.
Document 3: My Fair Lady with the Un-original Cast: My Fair Lady with the Un-original Cast is an album by drummer Shelly Manne with Jack Sheldon and Irene Kral and musical direction by Johnny Williams, recorded in 1964 and released on the Capitol label. The album, featuring Alan Jay Lerner and Frederick Loewe's music from the Broadway musical "My Fair Lady", sought to capitalize on Manne's previously successful "My Fair Lady" album and on the contemporaneous film adaptation.
Document 4: On the Riviera: On the Riviera is a 1951 musical comedy film made by 20th Century Fox. It was directed by Walter Lang, produced by Sol C. Siegel from a screenplay by Valentine Davies and Phoebe and Henry Ephron, based on the play "The Red Cat" by Rudolph Lothar and Hans Adler. This version stars Danny Kaye, Gene Tierney and Corinne Calvet with Marcel Dalio, Henri Letondal and Sig Ruman, and with uncredited featured dancer Gwen Verdon in dance sequences choreographed and staged by Jack Cole.
Document 5: 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 6: 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 7: Georges Delerue Award: The Georges Delerue Award for Best Music, or Georges Delerue Prize / Prix Georges Delerue, is an award for the best film score. It is named after the French composer Georges Delerue, and was first awarded at the 1985 Film Fest Gent festival. Past winners include: Benny Andersson, Ry Cooder, Bruno Coulais, Jean-Luc Godard, Michael Kamen, Astor Piazzolla, Rachel Portman, Howard Shore, Toru Takemitsu, and Vangelis.
Document 8: András Schiff: Sir András Schiff (] ; born 21 December 1953) is a Hungarian-born British classical pianist and conductor, who has received numerous major awards and honours, including the Grammy Award, Gramophone Award, Mozart Medal, and Royal Academy of Music Bach Prize, and was knighted by Queen Elizabeth II in her 2014 Birthday Honours for services to music. He is also known for his public criticism of political movements in Hungary and Austria.
Document 9: Anchors Aweigh (film): Anchors Aweigh is a 1945 American Technicolor musical comedy film directed by George Sidney and starring Frank Sinatra, Kathryn Grayson, and Gene Kelly, in which two sailors go on a four-day shore leave in Hollywood, accompanied by music and song, meet an aspiring young singer and try to help her get an audition at Metro-Goldwyn-Mayer. In addition to a live-action Kelly dancing with Jerry Mouse the cartoon mouse, the movie also features José Iturbi, Pamela Britton, Dean Stockwell, and Sharon McManus.
Document 10: List of compositions by André Previn: André Previn has composed film scores (including many songs), jazz pieces and contemporary classical music. His earliest compositions known at least by name/type are student works from the mid-1940s (a clarinet sonata, a string quartet, a rhapsody for violin and orchestra and some art songs). They were written at the same time as he did his first work for the movies (1946) and his first jazz recordings (1945).
Document 11: 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.
Document 12: Alfred Brendel: Alfred Brendel KBE (born 5 January 1931) is an Austrian pianist, poet and author, known particularly for his performances of Mozart, Schubert, Schoenberg, and especially Beethoven.
Document 13: 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 14: It's Always Fair Weather: It's Always Fair Weather is a 1955 MGM musical satire scripted by Betty Comden and Adolph Green, who also wrote the show's lyrics, with music by André Previn and starring Gene Kelly, Dan Dailey, Cyd Charisse, Dolores Gray, and dancer/choreographer Michael Kidd in his first film acting role.
Document 15: Funny Face: Funny Face is a 1957 American musical romantic comedy film directed by Stanley Donen and written by Leonard Gershe, containing assorted songs by George and Ira Gershwin. Although having the same title as the 1927 Broadway musical "Funny Face" by the Gershwin brothers, and featuring the same male star (Fred Astaire), the plot is totally different and only four of the songs from the stage musical are included. Alongside Astaire, the film stars Audrey Hepburn and Kay Thompson.
ground_truth: André Previn