Rudolf M. Bakkara writes:

>Hi all, is there anyone ever heard a title or song "BALSIRENEN" in deutche
>language? who is the composer? Ria.

A further search, using the spelling 'Ballsirenen' suggests that this is
the name used sometimes for the 'Merry Widow' ('Lustige Witwe') Waltz by
Franz Lehar.

Scott Morrison