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Scale · 7 notes

A♯ Locrian Scale

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

EBC♯D♯F♯G♯A♯

Purple = A♯ (the tonic) · green = other scale notes

On the fretboard

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

EADGBe135791215EF♯G♯A♯BC♯D♯EF♯A♯BC♯D♯EF♯G♯A♯BD♯EF♯G♯A♯BC♯D♯EG♯A♯BC♯D♯EF♯G♯A♯BC♯D♯EF♯G♯A♯BC♯EF♯G♯A♯BC♯D♯EF♯

Blue = A♯ (the root) · green = other scale notes

Notes in the A♯ Locrian scale

DegreeNoteName
1A♯Tonic
♭2BSupertonic
♭3C♯Mediant
4D♯Subdominant
♭5EDominant
♭6F♯Submediant
♭7G♯Subtonic

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

A♯ 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 A♯ Locrian scale

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

DegreeTriad7th chord
i°A♯°A♯ø7
IIBBmaj7
iiiC♯mC♯m7
ivD♯mD♯m7
VEEmaj7
VIF♯F♯7
viiG♯mG♯m7

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

Related scales

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

How to practise the A♯ 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 A♯ Locrian scale?

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

What is the formula for the A♯ 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 A♯ Locrian scale?

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

More A♯ scales

A♯ Natural Minor, A♯ Phrygian, A♯ Minor Pentatonic, A♯ Blues, A♯ Altered, A♯ Locrian ♯2

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.