It's easy to picture "The Prisoner of Zenda" with songs sprinkled throughout, and that’s roughly what this odd combination of elements feels like. The narrative involves another “Rudolph” (Carl Brisson) who has been ignoring his queen (Mary Ellis), prompting her to leave the palace, declaring she won't return until he reforms. The king genuinely cares for his wife, so when a look-alike named "Rocco" appears in the ki…