Vintage sheet music for the song “Just Once for All Time” (from the United Artists release “Congress Dances”) provided the bold sans that served as the model for Dance Number JNL.

This 1932 film was the English language version of the German comedy "Der Kongrefl tanzt"

The movie’s plot is based around the Congress of Vienna. There, an Austrian commoner is mistakenly thought to be the Tsar of Russia.