Groundhog Day is based on the classic 1993 film of the same name. The movie was written by Danny Rubin and Harold Ramis, directed by Ramis, and starred Bill Murray and Andie MacDowell. Groundhog Day was voted #34 in the American Film Institute’s 100 Years… 100 Laughs list, #8 in AFI’s Top 10 for Fantasy Films, and was added to the US National Film Registry in 2006.
Rubin worked on the concept of adapting Groundhog Day to the stage for many years before it reached fruition. After nearly giving up the project because he had not found a musical collaborator, Rubin was introduced to Australian
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