What was the plot source for the play Hairspray?

The plot of the musical "Hairspray" is primarily based on John Waters' 1988 film of the same name. Set in 1962 Baltimore, it follows the story of Tracy Turnblad, a plucky teenager who dreams of dancing on a popular television show while advocating for racial integration and body positivity. The narrative explores themes of diversity, acceptance, and the power of individual agency against societal norms. The stage adaptation further emphasizes these themes through its vibrant music and energetic choreography.