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
DiatonicPertaining to the seven notes of a major or natural minor scale without chromatic alteration.
ModeA type of scale defined by a specific pattern of tones and semitones, historically derived from medieval church music.
TranspositionMoving a passage of music up or down in pitch by a fixed interval
TonicThe first and most important note of a key, serving as the central point of rest and resolution.
Synonyms
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v1 · 09/04/2026Browse all terms →