Question: Sleigh Ride is a piece of music written by composer described by whom as "one of the great American masters of light orchestral music"?

full_context: Document 1: The Christmas Song: "The Christmas Song" (commonly subtitled "Chestnuts Roasting on an Open Fire" or, as it was originally subtitled, "Merry Christmas to You") is a classic Christmas song written in 1945 by Bob Wells and Mel Tormé.
Document 2: Leroy Anderson: Leroy Anderson ( ~ ); (June 29, 1908 – May 18, 1975) was an American composer of short, light concert pieces, many of which were introduced by the Boston Pops Orchestra under the direction of Arthur Fiedler. John Williams described him as "one of the great American masters of light orchestral music."
Document 3: Concerto for Orchestra (Sessions): The Concerto for Orchestra is a composition for orchestra by the American composer Roger Sessions. The work was commissioned by the Boston Symphony Orchestra and premiered October 23, 1981, with conductor Seiji Ozawa leading the Boston Symphony Orchestra. The concerto was Sessions's last orchestral composition and won him the 1982 Pulitzer Prize for Music. Sessions had previously won a special lifetime achievement Pulitzer Prize in 1974 "for his life's work as a distinguished American composer." The piece was honored with a performance at the closing of the 50th Tanglewood Music Festival in 2014.
Document 4: Mel Tormé: Melvin Howard Tormé (September 13, 1925 – June 5, 1999), nicknamed The Velvet Fog, was an American musician, best known as a singer of jazz standards. He was also a jazz composer and arranger, drummer, an actor in radio, film, and television, and the author of five books. He composed the music for "The Christmas Song" ("Chestnuts Roasting on an Open Fire") and co-wrote the lyrics with Bob Wells.
Document 5: Leonard Bernstein: Leonard Bernstein ( ; August 25, 1918 – October 14, 1990) was an American composer, conductor, author, music lecturer, and pianist. He was among the first conductors born and educated in the US to receive worldwide acclaim. According to music critic Donal Henahan, he was "one of the most prodigiously talented and successful musicians in American history."
Document 6: Robert Alexander Anderson (composer): Robert Alexander Anderson (R. Alex Anderson) (June 6, 1894 – May 29 or 30, 1995) was an American composer who wrote many popular Hawaiian songs within the Hapa haole genre including "Lovely Hula Hands" (1940) and "Mele Kalikimaka" (1949), the latter the best known Hawaiian Christmas song.
Document 7: Caravan (1936 song): "Caravan" is a jazz standard composed by Juan Tizol and Duke Ellington, and first performed by Ellington in 1936. Irving Mills wrote seldom performed lyrics. Its exotic sound interested exotica musicians; Martin Denny, Arthur Lyman, and Gordon Jenkins all covered it. Woody Allen used the song in two of his films, "Alice" and "Sweet and Lowdown". The song is also heavily featured in the 2014 film "Whiplash" as an important plot element. The Mills Brothers recorded an a cappella version, making the instruments' sounds with their voices, and Johnny Mathis recorded the song in 1956. There are more than 350 recordings of this song by Duke Ellington's orchestra, the great majority of them now in the public domain.
Document 8: The Little Drummer Boy: "The Little Drummer Boy" (originally known as "Carol of the Drum") is a popular Christmas song written by the American classical music composer and teacher Katherine Kennicott Davis in 1941. It was recorded in 1951 by the Trapp Family Singers and realised on the choir's first LP "Christmas with the Trapp Family Singers" and released as a single (45rpm). These were the first recordings released on their new record label Decca Records and further popularized by a 1958 recording by the Harry Simeone Chorale. This version was re-released successfully for several years and the song has been recorded many times since.
Document 9: A Trumpeter's Lullaby: A Trumpeter's Lullaby is a short composition for solo trumpet and orchestra, written by American composer Leroy Anderson in 1949. The two and a half minute piece was premiered on May 9, 1950, by the Boston Pops Orchestra with Arthur Fiedler conducting and French-born American Roger Voisin as trumpet soloist. It was composed at the request of Voisin, who was principal trumpeter of the Boston Pops Orchestra at the time. It was first recorded on June 18, 1950, with Fiedler conducting Roger Voisin and the Boston Pops. Three months later it was recorded with Anderson himself conducting and James F. Burke as trumpet soloist. The first stereo recording was made in October 1956 with Frederick Fennell conducting the Eastman-Rochester Pops Orchestra, recorded in one take without rehearsal. The (uncredited) soloist was Sidney Mear.
Document 10: Walter Piston: Walter Hamor Piston Jr, (January 20, 1894 – November 12, 1976), was an American composer of classical music, music theorist, and professor of music at Harvard University. His students included Leroy Anderson, Leonard Bernstein, Elliott Carter, Irving Fine, and Robert Strassburg.
Document 11: For New York: For New York (Variations on Themes of Leonard Bernstein) (originally titled To Lenny! To Lenny!) is a one-movement orchestral composition by the American composer John Williams. Written as a tribute to fellow composer and conductor Leonard Bernstein, the piece premiered on the last day of Bernstein's 70th birthday gala at Tanglewood on August 28, 1988. The premiere was performed by the Boston Symphony Orchestra under Williams, who was then conductor of its sister orchestra, the Boston Pops. Music critic John Rockwell of "The New York Times" described the work as "feathery and flashy."
Document 12: Frosty the Snowman: "Frosty the Snowman" (or "Frosty the Snow Man") is a popular Christmas song written by Walter "Jack" Rollins and Steve Nelson, and first recorded by Gene Autry and the Cass County Boys in 1950. It was written after the success of Autry's recording of "Rudolph the Red-Nosed Reindeer" the previous year; Rollins and Nelson shipped the new song to Autry, who recorded "Frosty" in search of another seasonal hit. Like "Rudolph", "Frosty" was subsequently adapted to other media including a popular television special by Rankin/Bass Productions (formerly known as Videocraft International), "Frosty the Snowman". The ancillary rights to the Frosty the Snowman character are owned by Warner Bros., but due to the prominence of the TV special, merchandising of the character is generally licensed in tandem with that special's current owners, DreamWorks Classics.
Document 13: Christmas Time Is Here: "Christmas Time Is Here" is a popular Christmas song written by Lee Mendelson and Vince Guaraldi for the 1965 TV special "A Charlie Brown Christmas", one of the first animated Christmas specials produced for network TV in the United States. Because the song became a hit, two versions were included on the album "A Charlie Brown Christmas": an instrumental version by the Vince Guaraldi Trio and a vocal version by children from St. Paul's Episcopal Church in San Rafael, California.
Document 14: Arthur Fiedler: Arthur Fiedler (December 17, 1894 – July 10, 1979) was a long-time conductor of the Boston Pops Orchestra, a symphony orchestra that specializes in popular and light classical music. With a combination of musicianship and showmanship, he made the Boston Pops one of the best-known orchestras in the United States. Fiedler was sometimes criticized for over-popularizing music, particularly when adapting popular songs or edited portions of the classical repertoire, but he kept performances informal and sometimes self-mocking to attract a bigger audience.
Document 15: Sleigh Ride: "Sleigh Ride" is a popular light orchestral Christmas music standard composed by Leroy Anderson. The composer had the original idea for the piece during a heat wave in July 1946 and finished the work in February 1948. It was originally an instrumental piece; the lyrics, about someone asking another to join them for a ride in a sleigh, were written by Mitchell Parish in 1950. The orchestral version was first recorded in 1949 by Arthur Fiedler and the Boston Pops Orchestra. Sleigh Ride was a hit record on RCA Victor Red Seal 49-0515 (45 rpm) / 10-1484 (78 rpm), and has become a signature song for the orchestra. The 45 rpm version was originally issued on red vinyl. The Pops has also recorded the song with John Williams, their conductor from 1979 to 1995, and Keith Lockhart, their current conductor.
ground_truth: John Williams