Play the augmented major seventh chord on piano
The augmented major seventh chord (augmaj7 or +maj7) combines an augmented triad with a major seventh, creating a highly colored and modern sound.
Chord composition
| I | III | ♯V | VII |
| Root | Major third | Augmented fifth | Major seventh |
| 0 | 4 | 8 | 11 |
Formula 1 - 3 - ♯5 - 7
Theory
The augmaj7 chord adds a major seventh (11 semitones) to the augmented triad. C augmaj7 = C-E-G♯-B, F augmaj7 = F-A-C♯-E. More stable than aug7, this chord offers sophisticated harmonic color. It's used as altered tonic chord or in modern chromatic progressions.
Play the augmented major seventh chord on the piano
