C Dominant Diminished scale — Position 1
Fret 1 position · Standard tuning
Half-whole diminished. Used over dominant 7♭9 chords.
Root (C)
Scale tone
Notes in this position
CC#D#EF#GAA#
All 5 positions
C Dominant Diminished scale position 1 — video lessons
About this position
This diagram shows Position 1 of the C Dominant Diminished scale — a 5-fret box starting at fret 1 position. The notes available in this position are C, C#, D#, E, F#, G, A, A#. Root notes (C) are shown in blue; other scale tones are outlined. Practicing all 5 box positions connects the full neck and builds fretboard fluency. The C Dominant Diminished scale has 8 notes with intervals 0–1–3–4–6–7–9–10 semitones.