After years of searching, I finally found authentic music from my region on youtube, yay!  ;D

Калоферска Дружина "Бачо Никола" – Бачо Никола

Shepherd calls, and bagpipes, and Bačo Nikola, oh my!
Kalofer is a very special town, we have a saying in my village: "Let's sit down and drink, for the guys in Kalofer vomit for the third time already."  ;D