G (musical note)
Appearance
Sol, So, or G is the fifth note of the fixed-Do solfège starting on C. As such it is the dominant, a perfect fifth above C or perfect fourth below C.
When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of Middle G (G4) note is approximately 391.995 Hz. See pitch for a discussion of historical variations in frequency.
It has enharmonic equivalents of F (a diatonic semitone below G♯) and A (a diatonic semitone above G♭).
Designation by octave
Scientific designation | Helmholtz designation | Bilinear music notation | Octave name | Frequency (Hz) |
---|---|---|---|---|
G-1 | G͵͵͵ or ͵͵͵G or GGGG | (-uG) | Subsubcontra | 12.250 |
G0 | G͵͵ or ͵͵G or GGG | (-vG) | Subcontra | 24.500 |
G1 | G͵ or ͵G or GG | (-wG) | Contra | 48.999 |
G2 | G | (-xG) | Great | 97.999 |
G3 | g | (-yG) | Small | 195.998 |
G4 | g′ | (zG) | One-lined | 391.995 |
G5 | g′′ | (yG) | Two-lined | 783.991 |
G6 | g′′′ | (xG) | Three-lined | 1567.982 |
G7 | g′′′′ | (wG) | Four-lined | 3135.963 |
G8 | g′′′′′ | (vG) | Five-lined | 6271.927 |
G9 | g′′′′′′ | (uG) | Six-lined | 12543.854 |
G10 | g′′′′′′′ | (tG) | Seven-lined | 25087.708 |
Scales
Common scales beginning on G
- G Major: G A B C D E F♯ G
- G Natural Minor: G A B♭ C D E♭ F G
- G Harmonic Minor: G A B♭ C D E♭ F♯ G
- G Melodic Minor Ascending: G A B♭ C D E F♯ G
- G Melodic Minor Descending: G F E♭ D C B♭ A G
- G Ionian: G A B C D E F♯ 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 C♯ D E F♯ 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
- G Ascending Melodic Minor: G A B♭ C D E F♯ G
- G Dorian ♭2: G A♭ B♭ C D E F G
- G Lydian Augmented: G A B C♯ D♯ E F♯ G
- G Lydian Dominant: G A B C♯ D E F G
- G Mixolydian ♭6: G A B C D E♭ F G
- G Locrian ♮2: G A B♭ C D♭ E♭ F G
- G Altered: G A♭ B♭ C♭ D♭ E♭ F G
See also