Practice Lab

Guitar · scales and modes

C altered scale on guitar

C altered has 7 notes: C, D♭, E♭, E, G♭, A♭, B♭. Also called super Locrian. Mode 7 of melodic minor; the default scale over altered dominant chords.

C altered: notes, degrees and the semitones to the next note
NoteCD♭E♭EG♭A♭B♭
Degree1♭2♭33♭5♭6♭7
Step1212222

C altered on the whole neck

Every C altered note from the open strings to fret 15, in standard E tuning (E A D G B E), by name; by degree under "Show more".

C altered scale, note names, frets 0 to 15E2Gb2Ab2Bb2C3Db3Eb3E3Gb3Bb2C3Db3Eb3E3Gb3Ab3Bb3C4Eb3E3Gb3Ab3Bb3C4Db4Eb4E4Ab3Bb3C4Db4Eb4E4Gb4Ab4Bb4C4Db4Eb4E4Gb4Ab4Bb4C5Db5E4Gb4Ab4Bb4C5Db5Eb5E5Gb56E25A24D33G32B31E40123456789101112131415
  • C altered
Note names
Show 1 more neck: by degreeShow less
C altered scale, degrees, frets 0 to 153b5b6b71b2b33b5b71b2b33b5b6b71b33b5b6b71b2b33b6b71b2b33b5b6b71b2b33b5b6b71b23b5b6b71b2b33b56E25A24D33G32B31E40123456789101112131415
  • C altered
Degrees

C altered in 5 positions

The neck split into the hand positions Practice Lab practices, one for each place a C falls on a string, with the notes its scale run fingers there.

C altered, position 1, frets 1 to 5b5b6b71b2b33b5b6b71b2b3b5b66E25A24D33G32B31E4012345
    Position 1: frets 1–5, 15 notes
    C altered, position 2, frets 3 to 7b6b71b2b3b5b6b71b2b33b5b6b76E25A24D33G32B31E434567
      Position 2: frets 3–7, 15 notes
      C altered, position 3, frets 5 to 9b71b2b33b5b6b71b2b33b5b6b71b26E25A24D33G32B31E456789
        Position 3: frets 5–9, 17 notes
        Show 2 more positionsShow less
        C altered, position 4, frets 8 to 111b2b3b5b6b71b2b33b5b6b71b2b36E25A24D33G32B31E489101112
          Position 4: frets 8–11, 16 notes
          C altered, position 5, frets 10 to 14b33b5b6b71b2b3b5b6b71b2b33b56E25A24D33G32B31E41011121314
            Position 5: frets 10–14, 16 notes

            Triads in C altered

            DegreeChordPages
            1CdimC diminished arpeggio
            1CaugC augmented arpeggio
            ♭2D♭mC♯ minor arpeggio
            ♭3E♭mE♭ minor arpeggio
            3EaugE augmented arpeggio
            ♭5G♭F♯ major arpeggio
            ♭6A♭A♭ major arpeggio
            ♭6A♭augA♭ augmented arpeggio
            ♭7B♭dimB♭ diminished arpeggio

            Seventh chords in C altered

            DegreeChordPages
            1Cm7♭5Cm7♭5 arpeggio · Cm7♭5 drop 2 · Cm7♭5 drop 3 · Cm7♭5 drop 2 and 4
            1C–
            1C–
            ♭2D♭m(maj7)C♯m(maj7) arpeggio
            ♭3E♭m7E♭m7 arpeggio · E♭m7 drop 2 · E♭m7 drop 3 · E♭m7 drop 2 and 4
            3E–
            ♭5G♭7F♯7 arpeggio · F♯7 drop 2 · F♯7 drop 3 · F♯7 drop 2 and 4
            ♭5G♭–
            ♭6A♭7A♭7 arpeggio · A♭7 drop 2 · A♭7 drop 3 · A♭7 drop 2 and 4
            ♭6A♭–
            ♭7B♭m7♭5B♭m7♭5 arpeggio · B♭m7♭5 drop 2 · B♭m7♭5 drop 3 · B♭m7♭5 drop 2 and 4

            Same notes, other names

            These scales use exactly the notes of C altered, starting from another root.

            Altered in every key

            Practice it in Practice Lab

            Practice C altered in every position, at your tempo, with a plan that adapts. Free, in your browser, no account.

            Open it in Practice Lab