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Guitar scale companion

A Altered Scale

Learn the A Altered scale (super locrian) on guitar. Explore notes, intervals, and fretboard positions with an interactive chart.

Notes
A, Bb, B#, C#, D#, F, G
Steps
H-W-H-W-W-W-W
Sharps and flats
Bb, B#, C#, D#
All 5 positions
A shape (frets 0-4); G shape (frets 2-6); E shape (frets 5-9); D shape (frets 7-11); C shape (frets 10-14)
1Ab9Bb#9B#3C##11D#b13Fb7G

Full fretboard map

Every A Altered Scale note across the neck, with roots highlighted for quick orientation.

Interactive

Frets 0–24. Select a position or tap a note to hear it.

EBGDAEFGABbB#C#D#FGABbB#C#D#BbB#C#D#FGABbB#C#D#FGAD#FGABbB#C#D#FGABbB#C#ABbB#C#D#FGABbB#C#D#FGB#C#D#FGABbB#C#D#FGABbFGABbB#C#D#FGABbB#C#D#123456789101112131415161718192021222324
CAGED

Five A Altered (Super Locrian) positions

These CAGED-family boxes show the same scale in complete practical areas before you explore the full neck. Each one surrounds a CAGED chord shape; see how the five shapes connect in the CAGED system.

A shape · frets 0-4

A Altered (Super Locrian), A shape: the box around the A-shape A chord, taken from the A box of A# Melodic Minor.

A Altered (Super Locrian) A shape positionFrets 0 through 4 for the A shape.EADGBe012341b7b13b9#11#9b1313b7#9b13b9b7#11
A shape tab (0-4)
e |----1-----3---|
B |----1--2-----4|
G |-0-----2--3---|
D |----1-----3---|
A |-0--1-----3---|
E |----1-----3---|

G shape · frets 2-6

A Altered (Super Locrian), G shape: the box around the G-shape A chord, taken from the G box of A# Melodic Minor.

A Altered (Super Locrian) G shape positionFrets 2 through 6 for the G shape.EADGBe2345613b7#9b13b9b73#111b7#91b9#11b13b9
G shape tab (2-6)
e |----3-----5--6|
B |-2-----4-----6|
G |-2--3-----5---|
D |----3-----5---|
A |----3--4-----6|
E |----3-----5--6|

E shape · frets 5-9

A Altered (Super Locrian), E shape: the box around the E-shape A chord, taken from the E box of A# Melodic Minor.

A Altered (Super Locrian) E shape positionFrets 5 through 9 for the E shape.EADGBe567891b7#91b9#113b13b91#9b13b9#11b7#9
E shape tab (5-9)
e |-5--6-----8---|
B |----6-----8---|
G |-5--6-----8---|
D |-5-----7--8---|
A |----6-----8---|
E |-5--6-----8---|

D shape · frets 7-11

A Altered (Super Locrian), D shape: the box around the D-shape A chord, taken from the D box of A# Melodic Minor.

A Altered (Super Locrian) D shape positionFrets 7 through 11 for the D shape.EADGBe78910111#9b13b9#11b7#933b7#9b131#11b9#11
D shape tab (7-11)
e |----8--9----11|
B |----8----10-11|
G |----8----10---|
D |-7--8----10---|
A |----8----10---|
E |----8--9----11|

C shape · frets 10-14

A Altered (Super Locrian), C shape: the box around the C-shape A chord, taken from the C box of A# Melodic Minor.

A Altered (Super Locrian) C shape positionFrets 10 through 14 for the C shape.EADGBe1011121314b7#9b131#113b9#111b7b13b9#11#9b13
C shape tab (10-14)
e |---11----13---|
B |10-11----13---|
G |10----12------|
D |10-11----13---|
A |10----12-13---|
E |---11----13---|

Scale Degrees

DegreeIntervalNote
1RootA
b9m9Bb
#9A9B#
3M3C#
#11A11D#
b13m13F
b7m7G

Chord Applications

Omit the natural fifth in this altered-scale application; the chord root, third, minor seventh and selected altered tension are all in the scale.

Omit the natural fifth in this altered-scale application; the chord root, third, minor seventh and selected altered tension are all in the scale.

Omit the natural fifth in this altered-scale application; the chord root, third, minor seventh and selected altered tension are all in the scale.

Omit the natural fifth in this altered-scale application; the chord root, third, minor seventh and selected altered tension are all in the scale.

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