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C diminished scale
Fretboard diagram
C diminished scale — chords and intervals
The C diminished scale is the octatonic scale alternating whole and half steps. On guitar, its notes are C, D, Eb, F, Gb, Ab, A, B. It is the definitive sound of film noir, thrillers, and psychological horror, used to evoke a sense of dread, ambiguity, and mounting tension. The diatonic chords of C diminished are C diminished, D diminished, Eb diminished, F diminished, Gb diminished, Ab diminished, A diminished, B diminished.
The C diminished scale has the following degrees: 1 2 ♭3 4 ♭5 ♭6 6 7.
Intervals: W-H-W-H-W-H-W-H.
Diatonic chords: C diminished, D diminished, Eb diminished, F diminished, Gb diminished, Ab diminished, A diminished, B diminished.
Use the interactive harmonizer above to explore triads, seventh chords, and chord variations for composing with the C diminished scale on guitar.