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This is a list of instruments by Hornbostel-Sachs number, covering those instruments that are classified under 321.31 under that system. These instruments are also known as spike lutes. These instruments are made of a resonator and string bearer that are physically united, with strings in parallel to the sound table and a handle which is also the string bearer and which passes diametrically through the resonator. The shape of the resonator divides the instrument into one of three subcategories: spike bowl lutes, spike box lutes and spike tube lutes.〔Sachs and von Hornbostel, pg. 6-25〕 The ''spike'' in the name ''spike lute'' refers to the fact that the handle passes through the resonator, often forming a spike after it emerges from it. In instruments like the Chinese ''erhu'', the spike is vestigial, but in many instruments, like the ''rebab'', it acts as support during performances. ==West African griot and spike lutes== Spike lutes are common in West Africa, as are tanged lutes, instruments in which the handle does not extend all the way through the resonator. A hereditary class of West African musicians, ''griots'', play only tanged lutes; but non-griot performers in West Africa play a mixture of both spike lutes and tanged lutes. The resonator of these West African lutes may be made of wood, metal (such as a discarded can), hide, or a half-calabash gourd.〔 Non-griot lutes are not restricted by heredity, and are used for many social purposes, most commonly hunting.〔 It likely that one or more of these instruments is the ancestor of the African American banjo.〔Coelho, pg. 45〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of musical instruments by Hornbostel-Sachs number: 321.31」の詳細全文を読む スポンサード リンク
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