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(一)乐器简介大管是双簧木管乐器,又称巴松或低音管,16世纪创制于意大利,而于18世纪逐渐用于乐队。大管的管身很长,折叠成并列的长短两段,并配有音键装置。气息由顶端装簧片的弯曲金属管吹入。有大管和倍低音管两种类型。具有低音、次中音和部分中音音区的大管是这类乐器的主要体制,音域宽达三个半八度(大字一组的降si到小字二组的re或mi)。用低音和次中音谱表(偶尔用高音谱表)记谱,所记与实际音高相符。演技灵活
(A) Introduction to musical instrument Big pipe is a double reed woodwind instrument, also known as the Bassoon or bass tube, founded in Italy in the 16th century, and gradually used in the 18th century band. Big tube of the body is very long, folded into two parallel length, and with a key device. The breath is blown in by the bent metal tube of the top reed. There are two types of big pipe and double bass pipe. Large tubes with bass, tenor, and part of the mid-tone are the main systems of this type of instrument, with a wide range of three and a half octaves wide (one si of large to two small reals or mi). Use bass and tenor staves (occasionally with treble staves) notation, recorded in line with the actual pitch. Acting flexible