👉 In mathematics, a zither is a type of musical instrument that uses an electrically driven resonating string to produce sound. It was originally developed in the 18th century by German musician Johann Sebastian Bach and is now used in various orchestras, chamber ensembles, and solo performances worldwide. A zither typically consists of a single wooden or metal string with a tuning fork attached to one end of the string, which vibrates at different frequencies. The strings are tuned so that they resonate
