The C-sharp half-whole diminished scale is an octatonic (eight-note) symmetrical scale that alternates between half steps and whole steps, following the pattern: half, whole, half, whole, half, whole, half, whole. It consists of the notes C♯, D, E, E♯, F𝄪, G♯, A♯, and B. This scale is commonly used over dominant seventh chords, particularly in jazz and fusion genres, to create tension and drive toward resolution. Its symmetrical structure allows for consistent intervallic relationships, making it useful for improvisation and melodic development. The C-sharp half-whole diminished scale is also known as the dominant diminished scale due to its association with dominant seventh chords.
Name: C-sharp half-whole diminished scale
Notes: C♯, D, E, E♯, F𝄪, G♯, A♯, B, C♯
Intervals: 1, ♭2, ♭3, 3, ♯4, 5, 6, ♭7, 1
Formula: 1-2-1-2-1-2-1-2
Type: Octatonic (8 notes per octave)
C-sharp half-whole diminished scale on the Staff
C-sharp half-whole diminished scale on Piano
C-sharp half-whole diminished scale on Guitar
C-sharp half-whole diminished scale on Ukulele
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Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.