Leni's main theme is a German folk song (likely pre-1822); used in Aline by Adolf Bauerle and Wenzel Muller in 1822, then again in 1824 in the Vaudeville "Die Wiener in Berlin" by Carl von Holtei; Steiner might have thought of this tune in connection to a Viennese person in a foreign country, since Leni is an Austrian in England; Leni sings and plays this song on the piano in the film; Leni's original theme is "I Do Like to be Beside the Seaside," used only when she was a dancer