Official web page of Alexander Epler; Fraser Fifield - Scottish composer and musician
AMTII, city of Plovdiv;
village of Shiroka Laka;
National school for folklore arts “Filip Kutev” – town of Kotel;
Folklore ensemble "Trakia”;
National music-folklore union “Orfeevo izvorche”;
Official web page of Teodosij Spasov;
Stoyan and Elitsa Yankulovi;
Christos Barbas Folk / Acoustic / Experimental .
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