The gadulka a Bulgarian folk fiddle , which in terms of structure and playing style in the 10th century Byzantine spreading lírákkal be related . This is an old musical instrument with three strings (the fourth tailpiece only raise one string ) type . Newer gadulkákon already applied with ten - vibrating string also . The towing is not associated tensioner because the tow tension control the pressure of the thumb .
The instrument body Cyrillic inscription " of the Budapest State Opera 75 Anniversary commemoration of the Sofia Opera People 1959 "
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