From James J. Fuld's Book of World-Famous Music (5th ed., 2000, pp. 622-623):

                   Waves of the Danube

    m. I. Ivanovici. Published in 1880 under the title Valurile Dunari for piano by Const. Gebauer, Bucharest, Rumania. [...]
    The waltz became widely known and published under various translated titles, including Donauwellen, Flots du Danube and Danube Waves. In 1946 words by Al Jolson and Saul Chaplin were set the music under the title Anniversary Song, for the motion picure The Jolson Story. Ion Ivanovici was born in 1845 in Banatul, Rumania, became a popular Rumanian composer and died in Bucharest in 1902.

"Les flots du Danube (= Waves of the Danube)" (1929), played by Lefman / Rosemarin (mandoline et guitare), can be heard HERE.

~Masato