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
Musical Instrument Museum (Volgograd) more. During his lifetime, Evgeny Nikolayevich was often called "doctor of music". Once he gave a rare instrument "Gavioli" — a mixture of harmonium and Ariston, and the harmony, the flute master could have restored himself, while having no prior instruction or experience of playing the instrument. It was also said that Pushkin could restore a unique instrument from the chips. He both repaired and modified instruments. His excellence and expertise with musical instruments is such that he in order not to wake his home, made a device that helped gently cover the strings to mute the sounds. In 1986,