The A suspended fourth chord is a harmonically open and tension-filled chord that replaces the third of the triad with a perfect fourth, creating a sense of anticipation and unresolved motion. Its notes, A, D, and E, produce a sound that is both bright and spacious, making it ideal for rock, pop, and contemporary music where a strong, suspended feel is desired. The absence of the third allows the chord to function flexibly within progressions, providing a smooth transition toward resolution. The A suspended fourth chord gives musicians a versatile and expressive tool to add tension, clarity, and dynamic interest to their compositions.
Name: A suspended fourth chord
Notes: A, D, E
Intervals: 1, 4, 5
Chord symbol: Asus4
Alternative symbols: A(sus4), Asus
Type: Triad (three-note chord)
A suspended fourth chord on the Staff
A suspended fourth chord on Piano
A suspended fourth chord on Guitar
A 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.