D♯ (musical note)

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D (D-sharp) or re dièse is the fourth semitone of the solfège. It lies a chromatic semitone above D and a diatonic semitone below E, thus being enharmonic to mi bémol or E. However, in some temperaments, it is not the same as E. E is a perfect fourth above B, whereas D is a major third above B.

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the D above middle C (or D4) is approximately 311.127 Hz. See pitch (music) for a discussion of historical variations in frequency.

Designation by octave[edit]

Scientific designation Helmholtz designation Octave name Frequency (Hz)
D−1 D͵͵͵ or ͵͵͵D or DDDD Subsubcontra 9.723
D0 D͵͵ or ͵͵D or DDD Subcontra 19.445
D1 D͵ or ͵D or DD Contra 38.891
D2 D Great 77.782
D3 d Small 155.563
D4 d One-lined 311.127
D5 d′′ Two-lined 622.254
D6 d′′′ Three-lined 1244.508
D7 d′′′′ Four-lined 2489.016
D8 d′′′′′ Five-lined 4978.032
D9 d′′′′′′ Six-lined 9956.063
D10 d′′′′′′′ Seven-lined 19912.127

Scales[edit]

Common scales beginning on D[edit]

  • D Major: D E Fdouble sharp G A B Cdouble sharp D
  • D Natural Minor: D E F G A B C D
  • D Harmonic Minor: D E F G A B Cdouble sharp D
  • D Melodic Minor Ascending: D E F G A B Cdouble sharp D
  • D Melodic Minor Descending: D C B A G F E D

Diatonic scales[edit]

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

Jazz melodic minor[edit]

See also[edit]