G♯ (musical note)

G♯ (G-sharp) or Sol Dièse is the ninth semitone of the solfege. In the German pitch nomenclature, it is known as "gis."

It lies a chromatic semitone above G and a diatonic semitone below A, thus being enharmonic to La Bémol or A (A flat).

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the G♯ semitone is 415.305 Hz. See pitch (music) for a discussion of historical variations in frequency.

Designation by octave

Scientific designation Helmholtz designation Bilinear music notation Octave name Frequency (Hz)
G-1 G͵͵͵ or ͵͵͵G or GGGG (-uG) Subsubcontra 12.978
G0 G͵͵ or ͵͵G or GGG (-vG) Subcontra 25.957
G1 G͵ or ͵G or GG (-wG) Contra 51.913
G2 G (-xG) Great 103.826
G3 g (-yG) Small 207.652
G4 g (zG) One-lined 415.305
G5 g (yG) Two-lined 830.609
G6 g (xG) Three-lined 1661.219
G7 g (wG) Four-lined 3322.438
G8 g (vG) Five-lined 6644.875
G9 g (uG) Six-lined 13289.750
G10 g (tG) Seven-lined 26579.501

Scales

Common scales beginning on G

Diatonic scales

Jazz Melodic Minor

See also

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