Question: When was the American composer of music who sang Cinderella born? 

Context articles: Jack Fulton (singer)
American Composer Series
Cinderella (2013 cast album)
George Rosenkrans
Richard Rodgers
Warren Martin
Barbara Kolb
Harry Rowe Shelley
Bernard Hoffer
Joseph Dubin

Jack Fulton (June 13, 1903 – November 13, 1993) was an American composer, trombonist, and vocalist.
 At the age of 17, he started playing the trombone for small-town dances.
 He sang with the Mason-Dixon Orchestra.
 He also played the trombone and sang with the George Olsen Orchestra.
 He was part of the trio that sang on the 1925 number one hit, "Who?
" The other vocalists were Bob Rice and Fran Frey.
The American Composer Series is an ongoing performance series in the cabaret revue format, paying tribute to the greatest composers of popular American music on the American scene, particularly those composers associated with Tin Pan Alley.
 Launched by musical director Earl Wentz in 2000 with a tribute to Ray Henderson (composer of mega-hits “Life is Just a Bowl of Cherries,” “Bye Bye Blackbird,” “Button Up Your Overcoat,” “The Birth of the Blues” and others) titled "It’s the Cherries", the series has continued to add new shows to its repertoire at the rate of one or two per year.
 As of 2009, the American Composer Series had created some 15 original revue tributes, many of them returning for multiple runs over the years.
Rodgers + Hammerstein's Cinderella is an original cast album of the first Broadway production of the musical "Cinderella", with music by Richard Rodgers, lyrics by Oscar Hammerstein II and a book by Douglas Carter Beane based partly on Hammerstein's 1957 book.
 The story is based upon the fairy tale Cinderella, particularly the French version "Cendrillon, ou la Petite Pantoufle de Vair", by Charles Perrault.
 The production opened in 2013.
 In Beane's plot, Cinderella opens Prince Topher's eyes to the injustice in the kingdom.
George Rosenkrans (Jan 17, 1881-Aug.
 18, 1955) was a noted American composer of concert band music.
 He was born in Penfield, Pennsylvania on January 17, 1881.
 His father was the music director of the local Methodist church, and George sang with the choir and learned to play the organ there.
 His first compositions included organ music and hymns.
 He also played the baritone horn in the town band, and eventually became the conductor.
 He composed his first march at age 17, and was soon turning out as many as 8 new marches each year.
 As interest in his music declined, he would sell new arrangements for as little as 50 cents, or give compositions away outright.
 In later life, he composed many works for the Grampian Band in nearby Grampian, Pennsylvania, his favorite group, including the "Grampian March".
 He missed a 1948 tribute by the Navy Band because he didn't believe he had any suitable clothes.
 He died in poverty in Penfield on August 18, 1955.
Richard Charles Rodgers (June 28, 1902 – December 30, 1979) was an American composer of music for more than 900 songs and for 43 Broadway musicals.
 He also composed music for films and television.
 He is best known for his songwriting partnerships with the lyricists Lorenz Hart and Oscar Hammerstein II.
 His compositions have had a significant impact on popular music up to the present day, and have an enduring broad appeal.
Warren Martin (1916 - 1982) was an American composer of classical music.
 He is best known for his humorous musical comedy (comic oratorio)"The True Story of Cinderella" (1955).
Barbara Kolb (b. Hartford, Connecticut, February 10, 1939) is an American composer.
 Her music uses sound masses and often creates vertical structures through simultaneous rhythmic or melodic units (motifs or figures).
 Barbara's musical styling can be identified by her use of colorful textures, impressionistic touch, and atonal vocabulary, with influences stemming from literary and visual arts.
 She was the first American woman composer to win the Rome Prize.
 She received her B.M. (cum laude, 1961) and M.M. degrees (1964) from the Hartt College of Music (now The Hartt School) at the University of Hartford, and studied with Arnold Franchetti, Lukas Foss and Gunther Schuller.
 Following her various degrees, Kolb relocated to Vienna, Austria from 1966-1967 with a Fulbright Fellowship grant.
 She was the first female American composer to win the Rome Prize [Prix de Rome], in 1969.
 From 1979 - 1982, Kolb served as the artistic director of contemporary music at the Third Street Music School Settlement, where she presented the "Music New to New York" concert series.
 Additionally, she has had a professional teaching career teaching at Rhode Island College and Eastman School of Music as a visiting professor in Composition.
 A selection of Barbara's compositions were featured at the Kennedy Center, performed by the "Theatre Chamber Players" as part of the Boston Modern Orchestra Project.
 However, Kolb was not only known as a composer; but she was also proficient at the Eb clarinet.
Harry Rowe Shelley (June 8, 1858 – September 12, 1947) was an American composer, organist (church and concert), and professor of music.
 Born in New Haven, Connecticut, Shelley studied with Gustave J. Stoeckel at Yale College, Dudley Buck, Max (Wilhelm Carl) Vogrich, and Antonín Dvořák in New York, and completed his musical education in London and Paris.
 According to his "New York Times" obituary, Shelley "penned church music that won him wide popularity.
 For sixty years a host of English-speaking peoples throughout the world sang his hymns."
Bernard Hoffer (born October 14, 1934) is a Swiss-born American composer and conductor.
 He is best known for his work on American cartoons such as "Thundercats" and "Silverhawks".
 He worked on several of Rankin/Bass' television series and specials.
 The music he developed for "The MacNeil-Lehrer Report", still used on "The NewsHour with Jim Lehrer", was nominated for an Emmy Award, and he has won six Clio Awards for his work on commercials.
 He has also conducted several musical shows, such as the ballets "A Boston Cinderella!
" and "Ma Goose".
Joseph Simon Dubin (June 2, 1900 – January 16, 1961) was an American composer and orchestrator, scoring and orchestrating more than 200 motion pictures during his career.
 His brother, Al Dubin (1891 Zürich-February 11, 1945 New York City) was an American songwriter, lyricist, soldier and actor.
 Joseph Dubin is best known for composing the soundtrack for the Walt Disney films, "Cinderella", "Alice in Wonderland", "20,000 Leagues Under the Sea", and "The Adventures of Ichabod and Mr. Toad".
 Durbin also orchestrated and scored many television series including "Zorro" and "The Mickey Mouse Club".