Recently while perusing an old piano lesson book I found two tunes which were the original tunes for the better known published works "Those Were the Days" and "Anversary Song". The song which was the tune for the "Aniversary Song" had the title of "Waves of the Danube" The tune for "Those Were the Days" was simply referred to as a folk song. Does anybody know any more about these tunes? Any help would be appreciated.