Erik's Music Database - discography search: performer is "Wouter Swets Chalgija" and performer is "Ivaylo Kaval Koutchev" and performer is "Nadka Karadzhova" and performer is "Georgi Chilingirov Stefan Zahmanov" and performer is "Yordanka Gabra Shopluk Ilieva" and performer is "Nicu Stanescu"