Question: Ben Moore is an American composer who has collaborated with many artists, one artist in particular is someone who has won six Tony Awards, which is more than any other actor--who is this artist?
Context: The Best Man is a 1960 play by American playwright Gore Vidal.  The play premiered on Broadway in 1960 and was nominated for six Tony Awards, including Best Play.  Vidal adapted it into a film with the same title in 1964. Paul Tazewell is an Emmy Award- and Tony Award-winning costume designer for the theatre, dance, and opera.  He received the 2016 Tony Award for best costume design for Hamilton.  In 2016, he and his team were awarded an Emmy for their work on The Wiz!  Live.  He has also been the recipient of six Tony Award nominations for costume design, four Helen Hayes Awards for Outstanding Costume Design, two Lucille Lortel Awards (for "On the Town" and "Hamilton"), and the Theater Development Fund's Irene Sharaff Award in 1997.  He is also the recipient of the Princess Grace Statue Award bestowed by the Princess Grace Foundation to artists of excellence in various disciplines. Audra Ann McDonald (born July 3, 1970) is an American actress and singer.  She has appeared on the stage in both musicals and dramas such as "Ragtime", "A Raisin in the Sun" and "Porgy and Bess".  With her full lyric soprano voice, she maintains an active concert and recording career performing song cycles and operas as well as in concerts throughout the U.S.  She has won six Tony Awards, more performance wins than any other actor, and is the only person to win all four acting categories.  She starred as Dr. Naomi Bennett on the ABC television drama "Private Practice". Stephen Flaherty (born September 18, 1960) is an American composer of musical theatre.  He works most often in collaboration with the lyricist/bookwriter Lynn Ahrens.  They are best known for writing the Broadway musicals "Once on This Island", which was nominated for eight Tony Awards, "Seussical", which was nominated for the Grammy Award, and "Ragtime", which was nominated for twelve Tony Awards and won Best Original Score.  Flaherty was also nominated for two Academy Awards and two Golden Globe Awards with Lynn Ahrens for his songs and song score for the animated film musical "Anastasia". Stephen Lawrence Schwartz (born March 6, 1948) is an American musical theatre lyricist and composer.  In a career spanning over four decades, Schwartz has written such hit musicals as "Godspell" (1971), "Pippin" (1972) and "Wicked" (2003).  He has contributed lyrics for a number of successful films, including "Pocahontas" (1995), "The Hunchback of Notre Dame" (1996), "The Prince of Egypt" (1998; music and lyrics) and "Enchanted" (2007).  Schwartz has won the Drama Desk Award for Outstanding Lyrics, three Grammy Awards, three Academy Awards and has been nominated for six Tony Awards.  He received the 2015 Isabelle Stevenson Award, a special Tony Award, for his commitment to serving artists and fostering new talent. The Lion King is a Disney media franchise comprising a film series and additional media.  The success of the original 1994 American animated feature, "The Lion King", directed by Roger Allers and Rob Minkoff, led to two direct-to-video sequel films, a television film sequel, two spin-off television series, three educational shorts, several video games, merchandise, and the third-longest-running musical in Broadway history, which garnered six Tony Awards including Best Musical. 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". Walking Happy is a musical with music by Jimmy Van Heusen, lyrics by Sammy Cahn and book by Roger O. Hirson and Ketti Frings.  The story is based on the play "Hobson's Choice" by Harold Brighouse.  The musical was nominated for six Tony Awards, including Best Musical. The Song of Jacob Zulu is an American play that debuted on Broadway in 1993.  Written by Tug Yourgrau, with music and lyrics by Ladysmith Black Mambazo, and produced by the Steppenwolf Theatre Company, the play is a drama set during Apartheid in South Africa.  The play's Broadway production was nominated for six Tony Awards, including Best Play, Best Actor in a Play for K. Todd Freeman, and Best Featured Actor in a Play for Zakes Mokae. Ben Moore (born January 2, 1960) is an American composer whose works include art song, musical theatre, cabaret, chamber music, choral music and opera.  His songs have been recorded by Deborah Voigt, Susan Graham Nathan Gunn and Lawrence Brownlee on the EMI, SonyBMG, Warner Classics and Opus Arte labels.  Other singers who have performed his music include Frederica von Stade, Jerry Hadley, Robert White, and Audra McDonald.  "Ben Moore – 14 songs" was published by G. Schirmer in 2006.  The Metropolitan Opera's farewell gala for Joseph Volpe, broadcast nationally on PBS in 2006, featured two of his operatic parody songs.  His song cycles include "So Free Am I" commissioned by the Marilyn Horne Foundation, "Ode to a Nightingale" and "Dear Theo".  Moore wrote the score for the opera "Enemies, a Love Story" which premiered at Palm Beach Opera in February, 2015, and for "Odyssey", commissioned by the Glimmerglass Festival.
Answer: Audra McDonald