Erik's Music Database - discography search: performer is "Muzhka Pevcheska Groupa ot PripekKurdzhali" and performer is "Selim Demirov" and performer is "Elena Lazarina Yanchevi" and performer is "Trakiiska Troika Before 1941" and performer is "Kosta Kolev Orchestra" and performer is "Hristofor Radanov Ensemble"