found: Work cat.: 93-954971: Ramazan Güngör ve üç telli kopuzu, 1993.
found: New Grove dict. of musical instruments(kopuz (qopuz, qupuz), long-necked lute, dating from the 11th cent., played by the Oğuz Turkish tribes of south Central Asia)
found: New Grove Online April 11, 2013:under Ottoman music (Iranian ensemble…kopuz lutes); under Bağlama (By the 11th century, a long-necked lute similar to the bağlama, called kopuz, was the favoured instrument of the minstrel poets (ozan) of the Oğuz Turkish tribes of south-west Asia)