A maj7 Chord

A maj7 chord diagram — notes: A,C♯,E,G♯

The A maj7 Chord Explained

A major seventh is a Major chord family chord built from the notes A, C♯, E, and G♯. Its root is A, and its interval number formula is 1–3–5–7, which gives you the interval names root, major third, perfect fifth, and major seventh. You may also see it written as Amaj7, AM7, or A major 7. If you are new to chords, the widget above can help you see and hear how these notes combine, and learning a little about chord intervals makes this chord much easier to understand.

A maj7 Alternate Names

  • Amaj7
  • AM7
  • A major 7

A maj7 Chord Notes

A maj7 Chord Formula

A maj7 Chord Notation

How To Use A maj7 In Music

Often described as smooth, warm, dreamy, and polished, A major seventh has a softer and more colorful sound than a plain major chord. It works well in jazz, soul, pop, R&B, and film music when you want a relaxed or elegant mood. The feeling of the chord can change depending on what comes before and after it: after a tense chord it can sound like a gentle arrival, while next to other lush chords it can feel floating and sophisticated. For example, in the key of A major, I–vi–ii–V with Amaj7 as the I chord is very common, and in a smoother pop setting you might hear IIV–ii–V using Amaj7–Dmaj7–Bm7–E7. If you want to compare its basic color to a simpler harmony, see this guide to the major chord.

A maj7 Chord Inversions

Another useful idea is inversion, which means the same chord tones are used but a note other than the root is placed at the bottom. For A major seventh, root position is A–C♯–E–G♯, first inversion is C♯–E–G♯–A, second inversion is E–G♯–A–C♯, and third inversion is G♯–A–C♯–E. Inversions can make the chord sound less final, more flowing, or more connected to the next chord because the bass note changes the weight of the harmony. Musicians use them to create smoother bass lines, reduce jumps between chords, and shape the mood with a more delicate or more unsettled sound. You may also hear close voicings or wider spacings of A major seventh, but the core chord quality still comes from the same four notes.