JJ has a point. Listen and you can hear the "oompa-pa-pa" usually played by tubas. It's possible the song could be a polka. Here are 2 web sites you might try contacting for help:
http://www.internationalpolka.com/
http://www.slviennawaltz.org/
Look for other polka and waltz organizations, too.
If you find out, let us know. I'm curious.