D (musical note)
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D is a musical note a whole tone above C, and is known as Re within the fixed-Do solfege system. An enharmonic note is C
, which is a diatonic semitone below D♯.
When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of middle D (D4) is approximately 293.665 Hz. See pitch for a discussion of historical variations in frequency.
Designation by octave
| Scientific designation | Helmholtz designation | Bilinear music notation | Octave name | Frequency (Hz) |
|---|---|---|---|---|
| D-1 | D͵͵͵ or ͵͵͵D or DDDD | (-uD) | Subsubcontra | 9.177 |
| D0 | D͵͵ or ͵͵D or DDD | (-vD) | Subcontra | 18.354 |
| D1 | D͵ or ͵D or DD | (-wD) | Contra | 36.708 |
| D2 | D | (-xD) | Great | 73.416 |
| D3 | d | (-yD) | Small | 146.832 |
| D4 | d′ | (zD) | One-lined | 293.665 |
| D5 | d′′ | (yD) | Two-lined | 587.330 |
| D6 | d′′′ | (xD) | Three-lined | 1174.659 |
| D7 | d′′′′ | (wD) | Four-lined | 2349.318 |
| D8 | d′′′′′ | (vD) | Five-lined | 4698.636 |
| D9 | d′′′′′′ | (uD) | Six-lined | 9397.273 |
| D10 | d′′′′′′′ | (tD) | Seven-lined | 18794.545 |
Scales
Common scales beginning on D
- D Major: D E F♯ G A B C♯ D
- D Natural Minor: D E F G A B♭ C D
- D Harmonic Minor: D E F G A B♭ C♯ D
- D Melodic Minor Ascending: D E F G A B C♯ D
- D Melodic Minor Descending: D C B♭ A G F E D
- D Ionian: D E F♯ G A B C♯ 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 F♯ G♯ A B C♯ D
- D Mixolydian: D E F♯ 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
- D Ascending Melodic Minor: D E F G A B C♯ D
- D Dorian ♭2: D E♭ F G A B C D
- D Lydian Augmented: D E F♯ G♯ A♯ B C♯ D
- D Lydian Dominant: D E F♯ G♯ A B C D
- D Mixolydian ♭6: D E F♯ G A B♭ C D
- D Locrian ♮2: D E F G A♭ B♭ C D
- D Altered: D E♭ F G♭ A♭ B♭ C D
See also
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