Buy Sitar in, Sitar for Sale. Sitar is the most popular melody instrument in classical northern Indian music today. The large resonance box is made of a dried pumpkin; neck, cover and a possible second smaller resonance box are mostly made of Tun wood. Metal strings made of steel or brass run across two bridges made of bone. The frets are movable by cords that are tied to the neck and are also made of steel.