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Bass scale companion

Gb Altered Scale

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

1Gbb9Abb#9A3Bb#11Cb13Ebbb7Fb

Full fretboard map

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

Interactive

Bass box positions for Gb Altered (Super Locrian)

Bass players usually organize scales by root string. Start with the E-string and A-string boxes, then connect them across the neck.

Root on E string

Gb Altered (Super Locrian) bass box with the root on the E string.

Gb Altered (Super Locrian) Root on E stringGb Altered (Super Locrian) bass box with the root on the E string.EADG123451b9#93#11b13b71b9#93#11
Root on E string (1-5)
G |----2--3-----5|
D |----2-----4--5|
A |-1-----3-----5|
E |----2--3-----5|

Root on A string

Gb Altered (Super Locrian) bass box with the root on the A string.

Gb Altered (Super Locrian) Root on A stringGb Altered (Super Locrian) bass box with the root on the A string.EADG89101112#11b13b71b9#93#11b13b71b9
Root on A string (8-12)
G |----9----11-12|
D |-8----10----12|
A |----9-10----12|
E |-8----10----12|

Scale Degrees

DegreeIntervalNote
1RootGb
b9m2Abb
#9m3A
3M3Bb
#11d5C
b13m6Ebb
b7m7Fb

Diatonic Chords

DegreeChordType
iøGbm7b5Half-Diminished
biiAbbmMaj7Minor Major 7
biiiAm7Minor 7th
bIV+Bb+maj7Augmented Major 7
bVC7Dominant 7th
bVIEbb7Dominant 7th
bviiøFbm7b5Half-Diminished
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