D[1] is a musical note a whole tone above C, and is known as Re within the fixed-Do solfege system. Its enharmonic equivalents are C
(C-double sharp) and E
(E-double flat). It is the third semitone of the solfège.
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 | Octave name | Frequency (Hz) |
|---|---|---|---|
| D−1 | D͵͵͵ or ͵͵͵D or DDDD | Subsubcontra | 9.177 |
| D0 | D͵͵ or ͵͵D or DDD | Subcontra | 18.354 |
| D1 | D͵ or ͵D or DD | Contra | 36.708 |
| D2 | D | Great | 73.416 |
| D3 | d | Small | 146.832 |
| D4 | d′ | One-lined | 293.665 |
| D5 | d′′ | Two-lined | 587.33 |
| D6 | d′′′ | Three-lined | 1174.659 |
| D7 | d′′′′ | Four-lined | 2349.318 |
| D8 | d′′′′′ | Five-lined | 4698.636 |
| D9 | d′′′′′′ | Six-lined | 9397.273 |
| D10 | d′′′′′′′ | Seven-lined | 18794.545 |
Scales
Common scales beginning on D
- D major: D E F♯ G A B C♯ D
- D harmonic major: D E F♯ G A B♭ C♯ D
- D melodic major ascending: D E F♯ G A B C♯ D
- D melodic major descending: D C B♭ A G F♯ E 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
Diatonic scales
Jazz melodic minor
- 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
References
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