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
Parallel Key
View all keysterms →A major and minor key that share the same tonic note but have different key signatures, such as C major and C minor.
TonicisationThe brief treatment of a non-tonic chord as a temporary tonic through the use of its own dominant or leading note.
ModulationThe process of changing from one key to another within a piece
ChromaticPertaining to notes outside the prevailing key or diatonic scale.
Relative keyA major and minor key that share the same key signature but have different tonics.
Synonyms
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v1 · 09/04/2026Browse all terms →