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key signature

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noun Music.
(in notation) the group of sharps or flats placed after the clef to indicate the tonality of the music following.
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Origin of key signature

First recorded in 1870–75

Words nearby key signature

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use key signature in a sentence

British Dictionary definitions for key signature

key signature

noun
music a group of sharps or flats appearing at the beginning of each stave line to indicate the key in which a piece, section, etc, is to be performed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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