G Super Locrian (Altered Scale)
Notes in the G Super Locrian (Altered Scale)
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | G | 391.995 Hz |
| ♭2 | Altered 2nd | G# | 415.305 Hz |
| ♭3 | Minor Mediant | A# | 466.164 Hz |
| ♭4 | Altered 4th | B | 493.883 Hz |
| ♭5 | Tritone | C# | 277.183 Hz |
| ♭6 | Altered 6th | D# | 311.127 Hz |
| ♭7 | Subtonic | F | 349.228 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Half Step (H) | 1 | G | G# |
| 2 | Whole Step (W) | 2 | G# | A# |
| 3 | Half Step (H) | 1 | A# | B |
| 4 | Whole Step (W) | 2 | B | C# |
| 5 | Whole Step (W) | 2 | C# | D# |
| 6 | Whole Step (W) | 2 | D# | F |
| 7 | Whole Step (W) | 2 | F | G |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | G | G diminished | diminished |
| ♭2 | G# | G# minor | minor |
| ♭3 | A# | A# minor | minor |
| ♭4 | B | B augmented | augmented |
| ♭5 | C# | C# | major |
| ♭6 | D# | D# | major |
| ♭7 | F | F diminished | diminished |
Key Signature
1 ♯ — The G key signature uses F#.
G Super Locrian (Altered Scale) in Practice
The G Super Locrian (Altered Scale) uses the key signature of 1 sharp (F#). G major has one sharp (F#) and is one of the most common keys in folk, country, and rock music. Its open, resonant quality makes it ideal for guitar-based music. On guitar, G positions offer open-string resonance for fingering positions for this scale.
The Super Locrian (or Altered scale) is mode VII of melodic minor. It contains every possible alteration of the dominant scale and is the definitive jazz scale for altered dominant chord resolution.
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| G | 391.995 Hz | 391.111 Hz | 392.438 Hz |
| G# | 415.305 Hz | 417.657 Hz | 418.601 Hz |
| A# | 466.164 Hz | 463.538 Hz | 470.926 Hz |
| B | 493.883 Hz | 495.000 Hz | 490.548 Hz |
| C# | 277.183 Hz | 278.437 Hz | 279.067 Hz |
| D# | 311.127 Hz | 309.026 Hz | 313.951 Hz |
| F | 349.228 Hz | 347.654 Hz | 348.834 Hz |
Related Scales
Guitar: G Super Locrian (Altered Scale) Positions
The G key offers 1 sharp (F#) on guitar. Sharp-side keys like G are idiomatic guitar keys because open strings (E, A, D, G, B, E) align with the scale's natural resonance points.