Complex sentence: The first scene of both the stage production and film open to a wedding scene with the two main characters, Brad Majors and Janet Wiess in a repressive Gothic setting, backed up in their chorus with the "American Gothic" characters themselves.
Split into simpler sentences: The first scene of both the stage production and film open to a wedding scene with the two main characters, Brad Majors and Janet Wiess. In the motion picture, a repressive Gothic setting, backs up the young couple in their chorus with the "American Gothic" characters themselves.