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Bass scale companion

C Altered Scale

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

1Cb9Db#9D#3E#11F#b13Abb7Bb

Full fretboard map

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

Interactive

Bass box positions for C 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

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

C Altered (Super Locrian) Root on E stringC Altered (Super Locrian) bass box with the root on the E string.EADG78910111b9#93#11b13b71b9#93#11
Root on E string (7-11)
G |----8--9----11|
D |----8----10-11|
A |-7-----9----11|
E |----8--9----11|

Root on A string

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

C Altered (Super Locrian) Root on A stringC Altered (Super Locrian) bass box with the root on the A string.EADG23456#11b13b71b9#93#11b13b71b9
Root on A string (2-6)
G |----3-----5--6|
D |-2-----4-----6|
A |----3--4-----6|
E |-2-----4-----6|

Scale Degrees

DegreeIntervalNote
1RootC
b9m2Db
#9m3D#
3M3E
#11d5F#
b13m6Ab
b7m7Bb

Diatonic Chords

DegreeChordType
iøCm7b5Half-Diminished
biiDbmMaj7Minor Major 7
biiiD#m7Minor 7th
bIV+E+maj7Augmented Major 7
bVF#7Dominant 7th
bVIAb7Dominant 7th
bviiøBbm7b5Half-Diminished
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