G♯ (musical note)

{ \new Staff \with{ \magnifyStaff #3/2 } << \time 2/1 \override Score.TimeSignature #'stencil = ##f { \clef bass gis1_G-sharp \clef treble gis' } >> }

G♯ (G-sharp) or sol dièse is the ninth semitone of the solfège. In the German pitch nomenclature, it is known as gis.[1]

It lies a chromatic semitone above G and a diatonic semitone below A, thus being enharmonic to la bémol or A♭ (A-flat).[citation needed]

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the G♯ semitone is approximately 415.305 Hz.[2] See pitch (music) for a discussion of historical variations in frequency.

The notes A♭ and G♯ are the only notes to have only one enharmonic, since they cannot be reached in any other way by a single or double sharp or a single or double flat from any of the seven white notes.

In the medieval period the musical note G# was known as gesolreut within the Guidonian hand hexachord system.[3]

Designation by octave

Scientific designation Helmholtz designation Octave name Frequency (Hz)
G♯−1 G♯͵͵͵ or ͵͵͵G♯ or GGGG♯ Subsubcontra 12.978
G♯0 G♯͵͵ or ͵͵G♯ or GGG♯ Subcontra 25.957
G♯1 G♯͵ or ͵G♯ or GG♯ Contra 51.913
G♯2 G♯ Great 103.826
G♯3 g♯ Small 207.652
G♯4 g♯′ One-lined 415.305
G♯5 g♯′′ Two-lined 830.609
G♯6 g♯′′′ Three-lined 1661.219
G♯7 g♯′′′′ Four-lined 3322.438
G♯8 g♯′′′′′ Five-lined 6644.875
G♯9 g♯′′′′′′ Six-lined 13289.75
G♯10 g♯′′′′′′′ Seven-lined 26579.501

Scales

Common scales beginning on G♯

  • G♯ major: G♯ A♯ B♯ C♯ D♯ E♯ Fdouble sharp G♯
  • G♯ natural minor: G♯ A♯ B C♯ D♯ E F♯ G♯
  • G♯ harmonic minor: G♯ A♯ B C♯ D♯ E Fdouble sharp G♯
  • G♯ melodic minor Ascending: G♯ A♯ B C♯ D♯ E♯ Fdouble sharp G♯
  • G♯ melodic minor descending: G♯ F♯ E D♯ C♯ B A♯ G♯

Diatonic scales

  • G♯ Ionian: G♯ A♯ B♯ C♯ D♯ E♯ Fdouble sharp G♯
  • G♯ Dorian: G♯ A♯ B C♯ D♯ E♯ F♯ G♯
  • G♯ Phrygian: G♯ A B C♯ D♯ E F♯ G♯
  • G♯ Lydian: G♯ A♯ B♯ Cdouble sharp D♯ E♯ Fdouble sharp G♯
  • G♯ Mixolydian: G♯ A♯ B♯ C♯ D♯ E♯ F♯ G♯
  • G♯ Aeolian: G♯ A♯ B C♯ D♯ E F♯ G♯
  • G♯ Locrian: G♯ A B C♯ D E F♯ G♯

Jazz melodic minor

See also

References

  1. ^ "The names of keys in English, French, German, Italian, and Spanish". Music Cataloging at Yale Language Tools. Yale University. Retrieved 2016-09-20.
  2. ^ Suits, B. H. (1998). "Physics of Music Notes - Scales: Just vs Equal Temperament". MTU.edu. Michigan Technological University. Archived from the original on 27 November 2023. Retrieved 5 February 2024.
  3. ^ "Gesolreut". Grove Music Online. Oxford University Press. 2001. doi:10.1093/gmo/9781561592630.article.10989.
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