Question: Which musical did Larry Blyden star in that was based on a book by Nurt Shevelove and Larry Gelbart?
Context: Neighbors is a 1981 American comedy film based on the novel of the same name by Thomas Berger.  It was released through Columbia Pictures, was directed by John G. Avildsen, and starred John Belushi, Dan Aykroyd, Cathy Moriarty, and Kathryn Walker.  The film takes liberties with Berger's story, and features a more upbeat ending.  The screenplay of the film is officially credited to Larry Gelbart, although it was extensively rewritten, to Gelbart's public disapproval.  Released two and a half months before John Belushi's death, the film marks the actor's last film performance. And Starring Pancho Villa as Himself is a 2003 television film for HBO in partnership with City Entertainment and starring Antonio Banderas as Pancho Villa, directed by Bruce Beresford, written by Larry Gelbart and produced by Joshua D. Maurer, Mark Gordon, and Larry Gelbart.  The cast also included Alan Arkin, Jim Broadbent, Michael McKean, Eion Bailey, and Alexa Davalos. Ivan Lawrence Blieden (June 23, 1925 – June 6, 1975), known as Larry Blyden, was an American actor, stage producer and director, and game show host.  He made his Broadway stage debut in 1948 and went on to appear in numerous productions on and off Broadway.  In 1972, he won the Tony Award for Best Featured Actor in a Musical for his performance in the revival of "A Funny Thing Happened on the Way to the Forum" which he also produced.  That same year, he became the host of the syndicated revival version of "What's My Line? ". The Wrong Box (1966) is a British comedy film made by Salamander Film Productions and distributed by Columbia Pictures.  It was produced and directed by Bryan Forbes from a screenplay by Larry Gelbart and Burt Shevelove, based on the 1889 novel "The Wrong Box" by Robert Louis Stevenson and Lloyd Osbourne. The 29th Annual Tony Awards ceremony was held on April 20, 1975, at the Winter Garden Theatre in New York City, and broadcast by ABC television.  Hosts/Performers/Presenters were Larry Blyden, George S. Irving, Larry Kert, Carol Lawrence, Michele Lee, Bernadette Peters and Bobby Van. Tootsie is a 1982 American comedy film directed by Sydney Pollack and starring Dustin Hoffman, with a supporting cast that includes Bill Murray, Jessica Lange, Teri Garr, Dabney Coleman, Charles Durning, Geena Davis (in her acting debut), and Doris Belack.  The film tells the story of a talented but volatile actor whose reputation for being difficult forces him to adopt a new identity as a woman in order to land a job.  The film was adapted by Larry Gelbart, Barry Levinson (uncredited), Elaine May (uncredited) and Murray Schisgal from the story by Gelbart and Don McGuire. City of Angels is a musical comedy with music by Cy Coleman, lyrics by David Zippel, and book by Larry Gelbart.  The musical weaves together two plots, the "real" world of a writer trying to turn his book into a screenplay, and the "reel" world of the fictional film.  The musical is an homage to the film noir genre of motion pictures that rose to prominence in the 1940s. The Conquering Hero is a musical with a music by Mark Charlap, lyrics by Norman Gimbel, and book by Larry Gelbart.  The musical was based on Preston Sturges's 1944 film "Hail the Conquering Hero".  The musical ran for only eight performances on Broadway in 1961. Harry's Girls is an American sitcom which aired on NBC from September 13, 1963 to January 3, 1964.  The series stars Larry Blyden portraying Henry Burns, the leader of a vaudeville troupe consisting of three young women.  The co-stars were Dawn Nickerson as Lois, Susan Silo as Rusty, and Diahn Williams as Terry. A Funny Thing Happened on the Way to the Forum is a musical with music and lyrics by Stephen Sondheim and book by Burt Shevelove and Larry Gelbart.
Answer: A Funny Thing Happened on the Way to the Forum