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
American Musical Instrument Society American Musical Instrument Society The American Musical Instrument Society (AMIS) was formed in 1971 "to promote study of the history, design, and use of musical instruments in all cultures and from all periods" (the branch of musicology known as organology). Based in the United States, it publishes a journal and a newsletter, holds annual conferences (occasionally in conjunction with the Galpin Society), maintains an active website and e-mail forum, and presents five awards. The society's international membership includes collectors, curators, historians, performers, instrument makers, conservators, restorers, dealers, teachers, and students. The "Journal of the American Musical Instrument Society, "(ISSN 0362-3300)