Cello inexpensive wood that has been blackened or "ebonized" to look like ebony, which is much harder and more expensive. Ebonised parts such as tuning pegs may crack or split, and the black surface of the fingerboard will eventually wear down to reveal the lighter wood underneath. Historically, cello strings had cores made out of catgut, which, despite its name is made from sheep or goat intestines which are dried out. Most modern strings used in the 2010s are wound with metallic materials like aluminum, titanium and chromium. Cellists may mix different types of strings on their instruments. The pitches of
Sursingar It has two resonant boxes; the main box is made from a cut gourd, on which a wooden cover is attached. The main body is made of wood and not leather (the material used in earlier instruments). The sound producing mechanism of the instrument is formed by a gourd. The gourd is attached to a hollow wooden handle. The handle is sometimes covered with a metal plate to facilitate the glissando. It has four main strings and four rhythmic drones ("chikari"). The strings are usually made of brass (instead of catgut used in earlier instruments). These modifications resulted in the