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 picture. Until the 19th century AD, European-written music histories began with mythological accounts of how musical instruments were invented. Such accounts included Jubal, descendant of Cain and "father of all such as handle the harp and the organ", Pan, inventor of the pan pipes, and Mercury, who is said to have made a dried tortoise shell into the first lyre. Modern histories have replaced such mythology with anthropological speculation, occasionally informed by archeological evidence. Scholars agree that there was no definitive "invention" of the musical instrument since the definition of the term "musical instrument" is completely subjective to both the