Augmented major seventh chord

augmented major seventh chord
Component intervals from root
major seventh
augmented fifth
major third
Forte no. / Complement
4-19 / 8-19
Augmented major seventh chord on C  play .
III+ chord in C harmonic or ascending melodic minor[1]  Play .

In music, an augmented major seventh chord, or major seventh sharp five chord, or simply augmented seventh chord[2] (written as aug7, augM7, +7, +M7, +Δ7, M75, M7(5), M7/5, M7+5, etc.) is a nondominant seventh chord comprising the root note, the note a major third above the root, the note an augmented fifth above the root, and the note a major seventh above the root: 1-3-5-7, and is associated with the augmented scale[3] (see jazz scale and chord-scale system). When used in jazz scores, a number of symbols can be used to represent this chord, including maj+7, and Δ+7.

This chord comes from the third mode of both the harmonic minor and the melodic minor scales. For example, the third mode of the A minor melodic consists of C, D, E, F, G, A, and B. Therefore, the notes of the C maj7(5) chord are C, E, G, and B.

As with dominant seventh chords, nondominant seventh chords including the augmented major seventh usually progress according to the circle, thus III+ resolves to vi or VI.[4] For example, C maj7(5) usually resolves to F.

The chord can be represented by the integer notation {0, 4, 8, 11}.

Augmented major seventh chord table

Chord Root Major third Augmented fifth Major seventh
Cmaj7(5) C E G B
Cmaj7(5) C E (F) G (A) B (C)
Dmaj7(5) D F A C
Dmaj7(5) D F A C
Dmaj7(5) D F (G) A (B) C (D)
Emaj7(5) E G B D
Emaj7(5) E G B (C) D
Fmaj7(5) F A C E
Fmaj7(5) F A C (D) E (F)
Gmaj7(5) G B D F
Gmaj7(5) G B D F
Gmaj7(5) G B (C) D (E) F (G)
Amaj7(5) A C E G
Amaj7(5) A C E (F) G
Amaj7(5) A C (D) E (F) G (A)
Bmaj7(5) B D F A
Bmaj7(5) B D F (G) A

See also


  1. Benward & Saker (2003). Music: In Theory and Practice, Vol. I, p.230. Seventh Edition. ISBN 978-0-07-294262-0.
  2. Sarnecki, Mark (2010). Intermediate Harmony, p.59. Second edition. ISBN 978-1-55440-271-7
  3. Coker, Jerry (1976). The Jazz Idiom, p.66. ISBN 0-13-509851-3.
  4. Benward & Saker (2003), p.232.
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