Gusla
Gusla [OSlav. gusti, to drone], 1. bowed chordophone of Bulgaria, mentioned in literary sources from the 10th c. on. It corresponds to the gusle of Yugoslavia; 75-80 cm. (29½-31½ in.) long; 2. syn. of gadulka. See also: husla, gusle, guslice (80 XVI). Galpin Society Journal, The, Vol. 1. 1948–.