KEY SIGNATURE Definition & Meaning

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key signature

Music.

(in notation) the group of sharps or flats placed after the clef to indicate the tonality of the music following.

key signature

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

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First recorded in 1870–75

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For this choreographer, music means everything; his title is a wink, not to the work’s worth, but to its key signature.

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Others found fault with the way the U of R group measured the material’s magnetic behavior, a key signature of superconductivity.

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Chunky bracelets and earrings rounded out the looks, a key signature of the designer.

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Water is considered a key signature of life beyond Earth, after all.

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Pitches that are not in the key signature are called accidentals.

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