F♯ (musical note)


For the programming language, see F Sharp (programming language).

F♯ (F-sharp; also known as fa dièse or fi) is the seventh semitone of the solfège.


It lies a chromatic semitone above F and a diatonic semitone below G, thus being enharmonic to sol bémol or G♭ (G-flat). However, in some temperaments, it is not the same as G♭. G♭ is a major third below B♭, whereas F♯ is a major third above D (a minor third below A).


When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the F♯ above middle C (or F♯4) is approximately 369.994 Hz. See pitch (music) for a discussion of historical variations in frequency.




Contents





  • 1 Designation by octave


  • 2 Scales

    • 2.1 Common scales beginning on F♯


    • 2.2 Diatonic scales


    • 2.3 Jazz melodic minor



  • 3 See also




Designation by octave























































Scientific designation

Helmholtz designation
Octave name
Frequency (Hz)
F♯−1F♯͵͵͵ or ͵͵͵F♯ or FFFF♯
Subsubcontra11.562
F♯0F♯͵͵ or ͵͵F♯ or FFF♯
Subcontra23.125
F♯1F♯͵ or ͵F♯ or FF♯
Contra46.249
F♯2F♯
Great92.499
F♯3f♯
Small184.997
F♯4f♯′One-lined369.994
F♯5f♯′′Two-lined739.989
F♯6f♯′′′Three-lined1479.978
F♯7f♯′′′′Four-lined2959.955
F♯8f♯′′′′′Five-lined5919.911
F♯9f♯′′′′′′Six-lined11839.822
F♯10f♯′′′′′′′Seven-lined23679.643


Scales



Common scales beginning on F♯



  • F♯ Major: F♯ G♯ A♯ B C♯ D♯ E♯ F♯


  • F♯ Natural Minor: F♯ G♯ A B C♯ D E F♯

  • F♯ Harmonic Minor: F♯ G♯ A B C♯ D E♯ F♯

  • F♯ Melodic Minor Ascending: F♯ G♯ A B C♯ D♯ E♯ F♯

  • F♯ Melodic Minor Descending: F♯ E D C♯ B A G♯ F♯


Diatonic scales


  • F♯ Ionian: F♯ G♯ A♯ B C♯ D♯ E♯ F♯

  • F♯ Dorian: F♯ G♯ A B C♯ D♯ E F♯

  • F♯ Phrygian: F♯ G A B C♯ D E F♯

  • F♯ Lydian: F♯ G♯ A♯ B♯ C♯ D♯ E♯ F♯

  • F♯ Mixolydian: F♯ G♯ A♯ B C♯ D♯ E F♯

  • F♯ Aeolian: F♯ G♯ A B C♯ D E F♯

  • F♯ Locrian: F♯ G A B C D E F♯


Jazz melodic minor


  • F♯ Ascending Melodic Minor: F♯ G♯ A B C♯ D♯ E♯ F♯

  • F♯ Dorian ♭2: F♯ G A B C♯ D♯ E F♯

  • F♯ Lydian Augmented: F♯ G♯ A♯ B♯ Cdouble sharp D♯ E♯ F♯

  • F♯ Lydian Dominant: F♯ G♯ A♯ B♯ C♯ D♯ E F♯

  • F♯ Mixolydian ♭6: F♯ G♯ A♯ B C♯ D E F♯

  • F♯ Locrian ♮2: F♯ G♯ A B C D E F♯

  • F♯ Altered: F♯ G A B♭ C D E F♯

F# rules



See also


  • Piano key frequencies

  • F-sharp major

  • F-sharp minor







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