# Tacet
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{{Short description|Musical term}}
{{Wiktionary|tacet}}
{{multiple image
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| image1 = Multirests H-bars.png
| image2 = Multirests narrow H-bars.png
| image3 = Multirests Blank.png
| image4 = Multirests Old style.png
| footer = Seven measure multirest, notated variously
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'''Tacet''' is [Latin](/source/Latin) which translates literally into English as "(it) is silent" (pronounced: {{IPAc-en|ˈ|t|eɪ|s|ᵻ|t}}, {{IPAc-en|ˈ|t|æ|s|ᵻ|t}}, or {{IPAc-en|ˈ|t|ɑː|k|ɛ|t}}).[{{Cite Merriam-Webster|Tacet|accessdate=2017-09-11}}] It is a musical term to indicate that an instrument or voice does not sound, also known as a [rest](/source/rest_(music)). In vocal polyphony and in orchestral scores, it usually indicates a long period of time, typically an entire [movement](/source/Movement_(music)). In more modern music such as [jazz](/source/jazz), tacet tends to mark considerably shorter breaks. '''Multirests''', or multiple-measure rests, are rests which last multiple [measures](/source/bar_(music)) (or multiple rests, each of which lasts an entire measure).
right|thumb|450px|How a tacet appears on sheet music
{{Quote|Tacet. (Lat.) A word by which the performer is to understand that the instrument with the name of which it is conjoined is to be silent: a ''Violino Tacet''; the violin is not to play: ''Oboe Tacet''; the oboe is silent.|[Thomas Busby](/source/Thomas_Busby_(composer)) (1827)[Busby, Thomas (1827). ''[https://books.google.com/books?id=uJFRAAAAYAAJ&dq=tacet+music&pg=PT272 Complete Dictionary of Music]'', p. z2. Snider. {{pre-ISBN}}.]}}
It was common for early [symphonies](/source/Symphony) to leave out the [brass](/source/brass_instrument) or [percussion](/source/Percussion_instrument) in certain movements, especially in slow (second) movements, and this is the instruction given in the parts for the player to wait until the end of the movement.
[[File:Old multirests.svg|thumb|How multirests used to be notated (see [longa](/source/longa_(music)), [breve](/source/double_whole_note), and [semibreve](/source/semibreve))]]
[[File:15 bars multirest.png|thumb|How multirests are now notated, known as the H-bar (which may be narrow, leaving room for things such as an [anacrusis](/source/anacrusis) to be written in)]]
It is also commonly used in [accompaniment](/source/accompaniment) music to indicate that the instrument does not play on a certain run through a portion of the music, e.g. "Tacet 1st time." The phrase ''tacet al fine'' is used to indicate that the performer should remain silent for the remainder of the piece (or portion thereof), and need not, for example, count rests.
Tacet may be appropriate when a particular instrument/voice/section, "is to rest for an entire section, movement, or composition."[McGrain, Mark (1990). ''Music Notation'', p. 126. Hal Leonard. {{ISBN|9781476867052}}.] "Partial rests, of course, in every case must be written in. Even though it means 'silent,' the term ''tacet''...is not a wise substitution for a lengthy rest within a movement...The term ''tacet'', therefore, should be used ''only'' to indicate that a player rests throughout an {{em|entire movement}}."[[Read, Gardner](/source/Gardner_Read) (1969/1979). ''Music Notation: A Manual of Modern Practice'', pp. 435–437. 2nd ed. Crescendo Publishing. {{ISBN|0-8008-5453-5}}.]
"N.C." ("no chord"[Collins, Ann (2000). ''Jazz Works'', p. 23. Alfred Music Publishing. {{ISBN|9780739010327}}.][Konowitz, Bert (1998). ''Alfred's Teach Yourself Chords & Progressions at the Keyboard'', p. 26. Alfred Music. {{ISBN|9780739000175}}.][Dahl, Gary (2011). ''Chord Melody Method for Accordion'', p. 43. Mel Bay. {{ISBN|9781610656290}}.][Bissell, Patricia Melcher (2017). ''Classroom Keyboard: Play and Create Melodies with Chords'', p. 41. Rowman & Littlefield. {{ISBN|9781475835434}}.]) is often used in [guitar tablature](/source/guitar_tablature) or [chord chart](/source/chord_chart)s to indicate tacets, rests, or [caesura](/source/caesura)s in the accompaniment.
==Uses of tacet==
The earliest known usage of the term is 1724.