Erik's Music Database - discography search: performer is "Georgi Kehaiov" and performer is "Tsvyatko Blagoevs Folk Group" and lead instrument is gaida and performer is "Muzhka Pevcheska Groupa ot KostandovoPazardzhik" and performer is "Periclis Bertodulos Evagalos Halkias" and performer is "Sadovskata Grupa"