Key (instrument) Key (instrument) A key is a specific part of a musical instrument. The purpose and function of the part in question depends on the instrument. On instruments equipped with tuning machines, violins and guitars, for example, a key is part of a tuning machine. It is a worm gear with a key shaped end used to turn a cog, which, in turn, is attached to a post which winds the string. The key is used to make pitch adjustments to a string. With other instruments, zithers and drums, for example, a key is essentially a small wrench used to turn
Musical Instrument Museum (Phoenix) Musical Instrument Museum (Phoenix) The Musical Instrument Museum (MIM) is located in Phoenix, Arizona. Opened in April 2010, it is the largest museum of its type in the world. The collection of over 15,000 musical instruments and associated objects includes examples from nearly 200 countries and territories, representing every inhabited continent. Some larger countries such as the United States, Mexico, India, China, and Brazil have multiple displays with subsections for different types of ethnic, folk, and tribal music. The Museum was founded by Robert J. Ulrich, former CEO and chairman of Target Corporation. A collector of African art and a