Ghanun; Persian Musical Instrument
The ghānun with the shape of a rectangular trapezoid is part of the plectrum chordophilous instruments with an indeterminate sound and in its manufacture wood, leather, metal, bone and gut are used. The sound box, the table above the case, the skin, the pardeye gardān (note adjuster) the bridge, the pegs, the nut, the simgir, the tuning key and the jumper are the components of this instrument which is played while sitting with two fingers of the index finger of the right and left hand with the help of the wand and its longest side is placed on the table or on the legs in the direction of the musician.
The ghānun wand has two metallic rings of silver, nickel or brass and is manufactured flattened and round of the middle phalanx measure of the index. The sticks that are found inside the ring are made of cow, deer and goat horns.
This instrument usually has 82 strings made of gut, covered with silk or nylon of which most in groups of three and in the lower part, singly or in pairs, are tuned homophone.
The habitual phonic extension of the ghānun is equal to about three and a half octaves.