The A dominant seventh chord is a dynamic and tension-filled chord that adds a sense of movement and anticipation to music. Composed of the notes A, C♯, E, and G, it combines a major triad with a minor seventh interval, creating a sound that is both strong and slightly unresolved. This characteristic makes the chord a staple in blues, jazz, and rock genres, where it often functions as a pivot point leading to the resolution of a progression. The A dominant seventh chord is valued for its ability to inject energy and expressiveness, giving musicians a powerful tool to shape harmonic direction and emotional impact.
Name: A dominant seventh chord
Symnonyms:: A major-minor seventh chord
Notes: A, C♯, E, G
Intervals: 1, 3, 5, ♭7
Chord symbol: A7
Type: Tetrad (four-note chord)
A dominant seventh chord on the Staff
A dominant seventh chord on Piano
A dominant seventh chord on Guitar
A dominant 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.