The A half-diminished seventh chord is a nuanced and harmonically rich chord that combines the tension of a diminished triad with the subtle stability of a minor seventh. Its notes, A, C, E♭, and G, create a sound that is both introspective and slightly unresolved, making it ideal for jazz, classical, and contemporary compositions. The interplay of dissonance and resolution within this chord allows it to function effectively as a transitional or leading chord, adding depth and sophistication to progressions. The A half-diminished seventh chord provides musicians with a versatile tool to craft intricate harmonies and evoke complex emotional textures.
Name: A half-diminished seventh chord
Symnonyms:: A half-diminished chord, A minor seventh flat five chord
Notes: A, C, E♭, G
Intervals: 1, ♭3, ♭5, ♭7
Chord symbol: Am7(♭5)
Alternative symbols: Aø, Aø7, Am7♭5, A–7(♭5), Ami7(♭5), AminAmin
Type: Tetrad (four-note chord)
A half-diminished seventh chord on the Staff
A half-diminished seventh chord on Piano
A half-diminished seventh chord on Guitar
A 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.