The A-flat suspended fourth chord is a harmonically open and tension-filled chord composed of the notes A♭, D♭, and E♭. By replacing the third of the traditional A♭ major triad with the fourth (D♭), this chord creates a suspended quality that evokes anticipation and movement, making it ideal for building musical tension before resolution. Commonly used in rock, pop, and contemporary music, the A-flat suspended fourth chord adds a fresh, dynamic, and expressive texture, enhancing both harmonic interest and melodic flow in compositions.
Name: A-flat suspended fourth chord
Notes: A♭, D♭, E♭
Intervals: 1, 4, 5
Chord symbol: A♭sus4
Alternative symbols: A♭(sus4), A♭sus
Type: Triad (three-note chord)
A-flat suspended fourth chord on the Staff
A-flat suspended fourth chord on Piano
A-flat suspended fourth chord on Guitar
A-flat suspended fourth 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.