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A rest is an interval of silence in a piece of music, marked by a symbol indicating the length of the pause. Each rest symbol corresponds with a particular note value: : The quarter (crotchet) rest x20px may also be found as a form x14px in older music.〔''History of Music Notation'' by C. Gorden, p. 93, copyright 1937.〕〔Examples of the older form are found in the work of English music publishers up to the early 20th century, e.g., W. A. Mozart ''Requiem Mass'', vocal score ed. W. T. Best, pub. London: Novello & Co. Ltd. 1879.〕 (The four-measure rest or longa rest is a symbol found in Western musical notation denoting a silence four times the duration of a whole rest. They are only used in long silent passages which are not divided into bars. The two-measure rest or breve rest is another symbol found in Western musical notation denoting a silence twice the duration of a whole rest. The combination of rests used to mark a pause follows the same rules as for notes.〔''AB guide to music theory'' by E. Taylor, chapter 13/1, ISBN 9781854724465〕 For more details see note value. ==One-bar rests== When an entire bar is devoid of notes, a whole (semibreve) rest is used, regardless of the actual time signature.〔 The only exceptions are for a 4/2 time signature (four half notes per bar), when a double whole rest is typically used for a bar's rest, and for time signatures shorter than 3/16, when a rest of the actual measure length would be used.〔Gardner Read, ''Music Notation: A Manual of Modern Practice'', second edition (Boston: Alyn and Bacon, 1969): 98. (Reprinted, New York: Taplinger Publishing Company, 1979).〕 For a 4/2 bar rest, it is also common to use the whole rest instead of the double whole rest, so that a whole-bar rest for all time signatures starting from 3/16 is notated using a whole note rest.〔 Some published (usually earlier) music places the numeral "1" above the rest to confirm the extent of the rest. Occasionally in manuscript autographs and facsimiles, bars without notes are sometimes left completely empty, possibly even without the staves. 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「Rest (music)」の詳細全文を読む スポンサード リンク
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