The A-flat half-diminished seventh chord is a tense and introspective chord consisting of the notes A♭, C♭, E𝄫, and G♭. By combining the diminished triad with a minor seventh (G♭), this chord creates a sense of unresolved tension and subtle complexity, making it ideal for leading smoothly into resolution within harmonic progressions. Commonly used in jazz, classical, and contemporary music, the A-flat half-diminished seventh chord adds a sophisticated and moody color to compositions, enriching the emotional depth and harmonic texture of any piece.
Name: A-flat half-diminished seventh chord
Symnonyms:: A-flat half-diminished chord, A-flat minor seventh flat five chord
Notes: A♭, C♭, E𝄫, G♭
Intervals: 1, ♭3, ♭5, ♭7
Chord symbol: A♭m7(♭5)
Alternative symbols: A♭ø, A♭ø7, A♭m7♭5, A♭–7(♭5), A♭mi7(♭5), A♭min7(♭5)
Type: Tetrad (four-note chord)
A-flat half-diminished seventh chord on the Staff
A-flat half-diminished seventh chord on Piano
A-flat half-diminished seventh chord on Guitar
A-flat half-diminished seventh chord on Ukulele
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.