Skip to content
MusicTheoryGym

Scale · 7 notes

B♭ Locrian Scale

B♭ Locrian is a 7-note scale with the notes B♭ C♭ D♭ E♭ F♭ G♭ A♭. It sounds unstable and dissonant, built on a diminished fifth.

F♭C♭D♭E♭G♭A♭B♭

Purple = B♭ (the tonic) · green = other scale notes

On the fretboard

Every B♭ locrian note on the neck. Pick a pattern to see the compact fingering shape that fits under one hand.

EADGBe135791215F♭G♭A♭B♭C♭D♭E♭F♭G♭B♭C♭D♭E♭F♭G♭A♭B♭C♭E♭F♭G♭A♭B♭C♭D♭E♭F♭A♭B♭C♭D♭E♭F♭G♭A♭B♭C♭D♭E♭F♭G♭A♭B♭C♭D♭F♭G♭A♭B♭C♭D♭E♭F♭G♭

Blue = B♭ (the root) · green = other scale notes

Notes in the B♭ Locrian scale

DegreeNoteName
1B♭Tonic
♭2C♭Supertonic
♭3D♭Mediant
4E♭Subdominant
♭5F♭Dominant
♭6G♭Submediant
♭7A♭Subtonic

Each note uses a different letter name, so the spelling follows the scale rather than the keyboard: B♭ C♭ D♭ E♭ F♭ G♭ A♭.

B♭ Locrian scale formula

The pattern of steps from one note to the next is H – W – W – H – W – W – W (W = whole step, H = half step). Compared with the major scale the degrees are 1 ♭2 ♭3 4 ♭5 ♭6 ♭7.

Chords in the B♭ Locrian scale

Stacking thirds on each note of the scale gives these chords:

DegreeTriad7th chord
i°B♭°B♭ø7
IIC♭C♭maj7
iiiD♭mD♭m7
ivE♭mE♭m7
VF♭F♭maj7
VIG♭G♭7
viiA♭mA♭m7

Chord names link to guitar chord shapes where we have them.

Related scales

  • Parent major scale: C♭ Major, which has exactly the same notes as B♭ Locrian.

How to practise the B♭ Locrian scale

Learn each mode by its characteristic note: the one that makes it different from the major or minor scale it most resembles. Play a drone on the tonic while you play the scale to hear its colour.

Frequently asked questions

What are the notes in the B♭ Locrian scale?

The notes of the B♭ Locrian scale are B♭ C♭ D♭ E♭ F♭ G♭ A♭.

What is the formula for the B♭ Locrian scale?

The pattern of whole and half steps is H – W – W – H – W – W – W (W = whole step, H = half step). In scale degrees: 1 ♭2 ♭3 4 ♭5 ♭6 ♭7.

What chords are in the B♭ Locrian scale?

Built from the scale in triads: B♭°, C♭, D♭m, E♭m, F♭, G♭, A♭m.

More B♭ scales

B♭ Major, B♭ Natural Minor, B♭ Harmonic Minor, B♭ Melodic Minor, B♭ Dorian, B♭ Phrygian, B♭ Lydian, B♭ Mixolydian, B♭ Major Pentatonic, B♭ Minor Pentatonic, B♭ Blues, B♭ Lydian Dominant, B♭ Whole Tone, B♭ Dorian ♭2, B♭ Lydian Augmented, B♭ Mixolydian ♭6, B♭ Locrian ♯2, B♭ Phrygian Dominant, B♭ Hungarian Minor, B♭ Double Harmonic, B♭ Diminished (W–H), B♭ Diminished (H–W), B♭ Bebop Dominant, B♭ Bebop Major

Explore the full scales library, find a scale from notes with the scale finder, or see every chord in every key in the chord chart.