C Super Locrian (Altered Scale)
Notes in the C Super Locrian (Altered Scale)
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | C | 261.626 Hz |
| ♭2 | Altered 2nd | C# | 277.183 Hz |
| ♭3 | Minor Mediant | D# | 311.127 Hz |
| ♭4 | Altered 4th | E | 329.628 Hz |
| ♭5 | Tritone | F# | 369.994 Hz |
| ♭6 | Altered 6th | G# | 415.305 Hz |
| ♭7 | Subtonic | A# | 466.164 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Half Step (H) | 1 | C | C# |
| 2 | Whole Step (W) | 2 | C# | D# |
| 3 | Half Step (H) | 1 | D# | E |
| 4 | Whole Step (W) | 2 | E | F# |
| 5 | Whole Step (W) | 2 | F# | G# |
| 6 | Whole Step (W) | 2 | G# | A# |
| 7 | Whole Step (W) | 2 | A# | C |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | C | C diminished | diminished |
| ♭2 | C# | C# minor | minor |
| ♭3 | D# | D# minor | minor |
| ♭4 | E | E augmented | augmented |
| ♭5 | F# | F# | major |
| ♭6 | G# | G# | major |
| ♭7 | A# | A# diminished | diminished |
Key Signature
No sharps or flats — C Super Locrian (Altered Scale) uses the same key signature as C major.
C Super Locrian (Altered Scale) in Practice
The C Super Locrian (Altered Scale) uses the key signature of no sharps or flats. C major is the simplest key signature with no sharps or flats. It is the starting point for music theory and the most widely studied key in Western music. On guitar, C 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 |
|---|---|---|---|
| C | 261.626 Hz | 260.740 Hz | 261.626 Hz |
| C# | 277.183 Hz | 278.437 Hz | 279.067 Hz |
| D# | 311.127 Hz | 309.026 Hz | 313.951 Hz |
| E | 329.628 Hz | 330.001 Hz | 327.032 Hz |
| F# | 369.994 Hz | 371.251 Hz | 367.911 Hz |
| G# | 415.305 Hz | 417.657 Hz | 418.601 Hz |
| A# | 466.164 Hz | 463.538 Hz | 470.926 Hz |
Related Scales
Guitar: C Super Locrian (Altered Scale) Positions
The C key offers open-string resonance (no sharps or flats) on guitar. Sharp-side keys like C are idiomatic guitar keys because open strings (E, A, D, G, B, E) align with the scale's natural resonance points.
Piano: C Super Locrian (Altered Scale)
C major is the foundational key for piano study — all white keys, no black keys in the major scale. Every piano method book begins here. The Super Locrian (Altered Scale) in C remains the most-studied scale pattern for establishing keyboard geography and finger positioning.