The C half-whole diminished scale is an eight-note symmetrical scale often used in jazz and modern improvisation to create tension and dramatic color over dominant chords. Its notes are C, D♭, E♭, E, F♯, G, A, B♭, and C, following a repeating pattern of half step then whole step. This structure produces a balanced mix of dissonance and resolution, making the scale especially effective over C7♭9, C7♯9, or other altered dominant harmonies. Because of its symmetrical nature, it allows for flexible melodic development and complex harmonic possibilities, providing improvisers with a powerful tool to add intensity and chromatic richness to their solos.
Name: C 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 half-whole diminished scale on the Staff
C half-whole diminished scale on Piano
C half-whole diminished scale on Guitar
C 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.