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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.

Notes
C, Db, D#, E, F#, Ab, Bb
Steps
H-W-H-W-W-W-W
Sharps and flats
Db, D#, F#, Ab, Bb
Box positions
Root on E string (frets 7-11); Root on A string (frets 2-6)
1Cb9Db#9D#3E#11F#b13Abb7Bb

Full fretboard map

Every C 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.

GDAEF#AbBbCDbD#EF#AbBbCDbD#EBbCDbD#EF#AbBbCDbD#EF#AbD#EF#AbBbCDbD#EF#AbBbCDbAbBbCDbD#EF#AbBbCDbD#EF#123456789101112131415161718192021222324

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. If you are still learning where the roots sit, use the bass fretboard notes chart.

Root on E string · frets 7-11

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 · frets 2-6

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

Related Chords

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