<P> Rehearsals on the film began in October 2016 in New York City, and principal photography began on November 22, 2016 . </P> <P> In December 2017, it was reported that James Mangold, who had worked with Jackman on several projects (including 2017's Logan), had been brought in to serve as an executive producer during the film's post-production . In an interview, director Michael Gracey noted, "There were eight producers on this film, and it was amazing having one of them be a filmmaker ." </P> <P> Benj Pasek and Justin Paul wrote all the songs appearing in the film . </P> <Ol> <Li> "The Greatest Show"--Hugh Jackman, Keala Settle, Zac Efron, Zendaya </Li> <Li> "A Million Dreams"--Ziv Zaifman, Jackman, Michelle Williams </Li> <Li> "A Million Dreams" (Reprise)--Austyn Johnson, Cameron Seely, Jackman </Li> <Li> "Come Alive"--Jackman, Settle, Daniel Everidge, Zendaya </Li> <Li> "The Other Side"--Jackman & Efron </Li> <Li> "Never Enough"--Loren Allred </Li> <Li> "This Is Me"--Settle </Li> <Li> "Rewrite the Stars"--Efron & Zendaya </Li> <Li> "Tightrope"--Williams </Li> <Li> "Never Enough" (Reprise)--Allred </Li> <Li> "From Now On"--Jackman </Li> </Ol>

Who are the songwriters for the greatest showman