Bistra started playing the instrument at the age of 8. Despite the late start, the viola evidently loved her and she made a considerable progress. She got her Bachelor of Arts degree in Switzerland at the Haute Ecole de Musique de Lausanne – HEMU and her Master of Arts degree at the State Musical Academy “P. Vladigerov” in the class of Vladislav Andonov, Senior Assistant. In 2009 she graduated the Dobrin Petkov Musical High School in Plovdiv. She performed extensively in Germany with the Philharmonie Der Nationen. Bistra is a member of the Classic FM Orchestra. HYPNOTIC’s viola has participated in the recordings of the film music orchestra SIF-309. She has worked with Viktor Chuchkov and Teodosii Spasov.