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The basset horn (sometimes written basset-horn) is a musical instrument, a member of the clarinet family. ==Construction and tone== Like the clarinet, the instrument is a wind instrument with a single reed and a cylindrical bore. However, the basset horn is larger and has a bend near the mouthpiece rather than an entirely straight body (older instruments are typically curved or bent in the middle), and while the clarinet is typically a transposing instrument in B or A (meaning a written C sounds as a B or A), the basset horn is typically in F (less often in G). Finally, the basset horn has additional keys for an extended range down to written C, which sounds F at the bottom of the bass staff. Its timbre is similar to the clarinet's, but darker. Basset horns in A, G, E, E, and D were also made; the first of these is closely related to the basset clarinet. The basset horn is not related to the horn, or other member of the brasswind family (Sachs-Hornbostel classification 423.121.2 or 423.23); it does, however, bear a distant relationship to the hornpipe and cor anglais. Its name probably derives from the resemblance of early, curved versions to a horn.〔Jeremy Montagu, "Basset Horn", ''The Oxford Companion to Music'', edited by Alison Latham (Oxford and New York: Oxford University Press, 2002).〕 Some of the earliest basset horns, which are believed to date from the 1760s, bear an inscription "ANT et MICH MAYRHOFER INVEN. & ELABOR. PASSAVII", which has been interpreted to mean they were made by Anton and Michael Mayrhofer of Passau.〔Nicholas Shackleton. "Basset-horn", ''Grove Music Online'', ed. Deane Root (accessed 25 March 2011), (grovemusic.com ) (subscription access).〕 Modern basset horns can be divided into three basic types, distinguished primarily by bore size and, consequently, the mouthpieces with which they are played: *The small-bore basset horn has a bore diameter in the range of 15.5 to 16.0 mm (still somewhat larger than a soprano clarinet bore, though it is often erroneously thought to be the same; even a large bore English clarinet, such as the old B&H 1010 design has a smaller bore of 15.3 mm). It is played with a B/A clarinet mouthpiece. Only Selmer (Paris) and Stephen Fox (Canada) currently make this model. *The medium-bore basset horn has a bore diameter in the region of 17.0 mm or slightly less. This is the most common type made by German-system manufacturers (e.g., Otmar Hammerschmidt (Austria)). Since no French-style mouthpiece with an appropriate bore is mass-produced, this model requires a matching German basset-horn mouthpiece. (This model is not usually recognized in North America, where it is confused with the large bore type described below.) Stephen Fox currently makes this model also. *The large-bore basset horn, with a bore diameter of about 18.0 mm and played with an alto-clarinet mouthpiece, is in constructional terms an alto clarinet pitched in F and with the extra basset notes. The Leblanc basset horns (bores c. 18.0 to 18.2 mm) are of this type The current Buffet basset horn could be called a hybrid "medium-large bore" model, since it uses an alto-clarinet mouthpiece but has a bore diameter around 17.2 mm. 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「basset horn」の詳細全文を読む スポンサード リンク
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