premise: Hair (musical) only ran on Broadway in the 1980's.
hypothesis: Hair is a 1979 musical war comedy-drama film adaptation of the 1968 Broadway musical Hair : An American Tribal Love-Rock Musical about a Vietnam War draftee who meets and befriends a tribe of long-haired hippies on his way to the army induction center . Hair (musical) . After an off-Broadway debut in October 1967 at Joseph Papp 's Public Theater and a subsequent run at the Cheetah nightclub from December 1967 through January 1968 , the show opened on Broadway in April 1968 and ran for 1,750 performances .