Kalotaszeg is a region of Transylvania, a previously Hungarian area, so the population is mostly of Hungarian descent, and very much hold on to their old traditions. A Sapora is a traditional dance, and part of  the Hungarian-style Tanchaz repertoire. This version is in bass clef for instruments such as cello, bassoon, baritone horn/tuba...


Listen here: https://youtu.be/Q--XQJbbO-M

Kalotaszeg Sapora in bass clef