Key Signature
The set of sharps or flats at the beginning of a staff indicating the key
Category
keys
Pronunciation
KEE SIG-nah-chur
Origin
English
Length
99 words · 1 min read
About Key Signature
A key signature is a notational shorthand placed after the clef at the start of each staff line. It tells the performer which notes are consistently sharpened or flattened throughout the piece, avoiding the need to write accidentals on every occurrence.
More keys terms
Relative Major and Minor
View all keysterms →A pair of keys — one major, one minor — sharing the same key signature
TonicisationThe brief treatment of a non-tonic chord as a temporary tonic through the use of its own dominant or leading note.
DiatonicPertaining to the seven notes of a major or natural minor scale without chromatic alteration.
Leading noteThe seventh degree of a major or harmonic minor scale, a semitone below the tonic.
Relative keyA major and minor key that share the same key signature but have different tonics.
Synonyms
Related
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v1 · 09/04/2026Browse all terms →