Janey, the protagonist in the film, is the grandmother of director Jared Callahan, which gave the crew unique and exclusive access into the lives of the townspeople.
The film follows the productions of the theatre troupe's 18th musical melodrama. As of release they are working on their 22nd original play production.
Rio Vista, CA is home to Foster's Bighorn bar and restaurant, which owns and displays what was for years the world's largest private collection of taxidermic animals (including elephants, buffalo, giraffe, and multiple rhinos). The tourist attraction harkens back to the era when this act was seen as conservation and preservation. It is worth googling.