F Super Locrian (Altered Scale)
Notes in the F Super Locrian (Altered Scale)
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | F | 349.228 Hz |
| ♭2 | Altered 2nd | Gb | 369.994 Hz |
| ♭3 | Minor Mediant | Ab | 415.305 Hz |
| ♭4 | Altered 4th | A | 440.000 Hz |
| ♭5 | Tritone | B | 493.883 Hz |
| ♭6 | Altered 6th | Db | 277.183 Hz |
| ♭7 | Subtonic | Eb | 311.127 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Half Step (H) | 1 | F | Gb |
| 2 | Whole Step (W) | 2 | Gb | Ab |
| 3 | Half Step (H) | 1 | Ab | A |
| 4 | Whole Step (W) | 2 | A | B |
| 5 | Whole Step (W) | 2 | B | Db |
| 6 | Whole Step (W) | 2 | Db | Eb |
| 7 | Whole Step (W) | 2 | Eb | F |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | F | F diminished | diminished |
| ♭2 | Gb | Gb minor | minor |
| ♭3 | Ab | Ab minor | minor |
| ♭4 | A | A augmented | augmented |
| ♭5 | B | B | major |
| ♭6 | Db | Db | major |
| ♭7 | Eb | Eb diminished | diminished |
Key Signature
1 ♭ — The F key signature uses Bb.
F Super Locrian (Altered Scale) in Practice
The F Super Locrian (Altered Scale) uses the key signature of 1 flat (Bb). F major has one flat (Bb) and a warm, pastoral quality. It is one of the most natural keys for wind instruments and is frequently used in orchestral and choral music. On guitar, F positions offer comfortable transposing instrument keys 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 |
|---|---|---|---|
| F | 349.228 Hz | 347.654 Hz | 348.834 Hz |
| Gb | 369.994 Hz | 371.251 Hz | 367.911 Hz |
| Ab | 415.305 Hz | 417.657 Hz | 418.601 Hz |
| A | 440.000 Hz | 440.000 Hz | 436.043 Hz |
| B | 493.883 Hz | 495.000 Hz | 490.548 Hz |
| Db | 277.183 Hz | 278.437 Hz | 279.067 Hz |
| Eb | 311.127 Hz | 309.026 Hz | 313.951 Hz |
Related Scales
Transposing Instruments: F Super Locrian (Altered Scale)
F is a natural key for B♭ instruments (trumpet, clarinet, tenor sax), which sound a major second lower than written. B♭ instruments reading in C produce F concert pitch. E♭ instruments (alto sax, baritone sax) reading in F sound a major sixth lower.