G-sharp major

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G-sharp major is a musical key based on G♯, consisting of the pitches G♯, A♯, B♯, C♯, D♯, E♯, and F. Its key signature has eight sharps, requiring one double sharp and six single sharps. Because the same pitches can be indicated by the enharmonically equivalent key of A-flat major (with four flats), a G-sharp major key signature is extremely rare. Its relative minor is E-sharp minor, which would be replaced by F minor. Its parallel minor is G-sharp minor. The G-sharp major scale is: Changes needed for the melodic and harmonic versions of the scale are written in with accidentals as necessary. The G-sharp harmonic major and melodic major scales are: Although the enharmonic key of A-flat major is preferred because it has only four flats, compared with G-sharp major's eight sharps (including the F), G-sharp major appears as a secondary key area in several works in sharp keys, most notably in the Prelude and Fugue in C-sharp major from Johann Sebastian Bach's The Well-Tempered Clavier, Book...

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