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
Janzi (musical instrument) Janzi (musical instrument) Janzi is a Ugandan string instrument invented by Ssewakiryanga James Junior also known as Ssewa Ssewa. It was vetted and accorded the Utility Model Protection by African Regional Intellectual Property Organization (ARIPO) Zimbabwe and Uganda Registration Services Bureau in 2017. The instrument has been a major instrument on all Janzi Band and Ssewa's performances since its inception. The Janzi has two long wooden necks on the left and right, with a narrow space in between. It is made up of 22 strings, 11 strings on either side attached to the sound box with plastic strings. The Janzi