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F Locrian ♭4 ♭7 (ultralocrian) scale

The F Locrian ♭4 ♭7 (ultralocrian) scale is made of the notes F, G♭, A♭, B♭♭, C♭, D♭, E♭♭. It has 7 notes; compared with the major scale its formula is 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭♭7.

Modes of the harmonic minor · 7 notes

Note names
  1. 1F
  2. ♭2G♭
  3. ♭3A♭
  4. ♭4B♭♭
  5. ♭5C♭
  6. ♭6D♭
  7. ♭♭7E♭♭

PatternH – W – H – W – W – H – W+H(W = whole step, H = half step)

The seven scales you get by starting from each degree of the harmonic minor: they fit the chords of minor cadences. Degrees are shown relative to the major scale: ♭3 is the third lowered by a half step, ♯4 the fourth raised.

Mode and chords

The seventh mode of the harmonic minor: diminished 4th and 7th (the diminished 7th sounds like a major 6th). It is used over the diminished seventh chord.

The F Locrian ♭4 ♭7 (ultralocrian) scale is mode 7 of the G♭ harmonic minor scale: the same notes, starting from degree 7. G♭ harmonic minor scale →

Used overFdim7FdimFaug

Put it into practice

The scale played in thirds over one octave: one of the exercises MEG generates from this scale.

This scale is not part of the demo: in the MEG app you will find it in every key, with 24 patterns.

Chords built on the scale

Frequently asked questions

What are the notes of the F Locrian ♭4 ♭7 (ultralocrian) scale?
The notes are F, G♭, A♭, B♭♭, C♭, D♭, E♭♭.
What is the pattern of the F Locrian ♭4 ♭7 (ultralocrian) scale?
The sequence of steps is H – W – H – W – W – H – W+H (W = whole step, H = half step); compared with the major scale the degrees are 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭♭7.
Which scale is the F Locrian ♭4 ♭7 (ultralocrian) scale a mode of?
It is mode 7 of the G♭ harmonic minor scale.
Which chords is the F Locrian ♭4 ♭7 (ultralocrian) scale used over?
It is used over Fdim7, Fdim, Faug: the chords on the tonic made of the notes of the scale.