Amaj7 7ª Maior Acorde

A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

Amaj7 Acorde — Quick Answer & Harmonic Definition

The Amaj7 (Major 7th) chord consists of the notes A, C#, E, G#. It is constructed from the root note A using the major 7th interval formula (0–4–7–11 semitones).

Formula: 0 – 4 – 7 – 11
Notes
A – C# – E – G#
Intervals (semitones)
0 – 4 – 7 – 11
Type
7th Chord

Amaj7 on Piano

Press highlighted keys simultaneously to play the Amaj7 chord.

R
A (Root (R))
2
C# (Major 3rd)
3
E (Perfect 5th)
4
G# (Major 7th)

Amaj7 on Guitar

Fret numbers (low E → high e string): x02120 (x=mute, 0=open)

x
E
0
A
2
D
1
G
2
B
0
e

Interval Analysis

Degree Interval Name Semitones Note in A
Root Root (R) 0 A
3rd Major 3rd 4 C#
5th Perfect 5th 7 E
7th Major 7th 11 G#

About the A 7ª Maior Chord

The Amaj7 chord (A 7ª Maior) consists of 4 notes: A, C#, E, G#. A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

To build any major 7th chord, apply intervals of 0, 4, 7, 11 semitones above the root. Starting from A: the notes land on A, C#, E, G#.

Playing Amaj7 on Piano

Press A, C#, E, G# simultaneously. In root position, A is lowest. First inversion places C# in the bass for a lighter sound; second inversion uses E as the bass note.

Common Chord Progressions Using Amaj7

  • I–IV–V: Amaj7 – Dmaj7 – Emaj7 (blues and rock)
  • I–V–vi–IV: Amaj7 – E – F#m – D (pop staple)
  • I–vi–IV–V: Amaj7 – F#m – D – E (50s progression)

The Amaj7 Chord in Context

The Amaj7 (7ª Maior) chord features a distinctive a major triad with a major seventh. warm, sophisticated sound used in jazz and r&b. built from the intervals 0–4–7–11. It provides rich harmonic color and tension across pop, jazz, classical, and contemporary compositions.

Other A Chords

A
Major
Am
Minor
A7
Dominant 7th
Am7
Minor 7th
Adim
Diminished
Aaug
Augmented

7ª Maior Chord in All 12 Keys

Cmaj7 C#maj7 Dmaj7 D#maj7 Emaj7 Fmaj7 F#maj7 Gmaj7 G#maj7 Amaj7 A#maj7 Bmaj7
Virtual Piano
Play Amaj7 on piano
Virtual Guitar
See on the fretboard
A Scale
Notes that fit Amaj7
Songs
Find songs using Amaj7

Knowledge Base & FAQs

Amaj7 Chord — Frequently Asked Questions

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

What notes are in the Amaj7 chord?

The A 7ª Maior chord contains: A, C#, E, G#.

These notes are derived by applying the major 7th interval formula (0–4–7–11 semitones) to the root note A.

What is the Amaj7 chord used for?

A major triad with a major seventh.

Warm, sophisticated sound used in jazz and R&B. The Amaj7 chord is used across pop, rock, jazz, and classical music. As the I chord in the key of A major, it functions as the most stable resting point in progressions.

How do you play Amaj7 on piano?

On piano, play A, C#, E, G# simultaneously.

In root position, A is the lowest note. Inversions move the bass note up — first inversion has C# lowest, second inversion has E lowest.

How many notes are in a major 7th chord?

A major 7th chord has 4 notes: A, C#, E, G# (in A).

It is a 7th chord, extending beyond the basic triad.

What is the difference between A major and A minor?

The A major chord (A–C#–E) uses a major third (4 semitones), giving it a bright, happy sound.

The A minor chord (A–C–E) uses a minor third (3 semitones), giving it a darker, emotional sound.

What key does Amaj7 belong to?

Amaj7 naturally serves as the I chord in the key of A major.

It also appears as IV in the key of E major, and as V in the key of D major.

Can I play Amaj7 on ukulele?

Yes.

The ukulele uses GCEA tuning with 4 strings. The Amaj7 chord notes (A, C#, E, G#) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.

What chords go well with Amaj7?

In the key of A major, Amaj7 pairs naturally with D major (IV), E major (V), and F#m (vi).

The classic I–IV–V (Amaj7–D–E) is the foundation of blues, country, and rock.

What is a chord inversion of Amaj7?

An inversion places a non-root note in the bass.

Amaj7 root position: A in bass. First inversion: C# in bass. Second inversion: E in bass. Inversions create smoother bass line movement without changing the harmony.

How do I memorize the notes in a major 7th chord?

Remember the formula: 0–4–7–11 semitones from root.

For Amaj7: start on A, add 4 semitones, then 7 semitones, then 11 semitones. Practicing this across all 12 roots builds instant recognition of any major 7th chord.