What's the difference between A major and Amaj7 on ukulele?

One finger moves: A major frets the A string's second fret, Amaj7 instead frets the G string's first fret, swapping a doubled root for the chord's major seventh (G#).

Why does Amaj7 sound dreamy rather than tense?

The G# sits a half-step below the open A string, and on ukulele's compact reentrant tuning that closeness rings as shimmer rather than harsh dissonance, unlike the same interval voiced lower on other instruments.

Where does Amaj7 fit harmonically?

As the I chord of A major it opens the key with jazzier color than a plain triad, and as the IV chord of E major it's a favorite substitution wherever a song wants warmth instead of a flat resolution.

What's the easiest way to learn the Amaj7 shape?

Start from open A major and practice relocating only the middle finger, from the A string's second fret to the G string's first fret, keeping the index finger planted the whole time.

Does Dmaj7 share Amaj7's shape family?

Structurally yes — both are two-finger, two-open-string major sevenths, though the exact strings and frets involved differ since each root's notes fall in different places across GCEA tuning; recognizing the pattern still helps predict where a new maj7 chord is likely to sit.

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Amaj7 Chord on Ukulele

Amaj7 = A – C# – E – G# (Root, Major 3rd, Perfect 5th, Major 7th)

Amaj7 sits just one finger away from open A major on the ukulele neck: keep the same index finger on the C string's first fret, but move the middle finger from the A string's second fret over to the G string's first fret instead. The result trades A major's C# and A duplication for C# and G# — the chord's major seventh, a note only a half-step below the octave root. That closeness between G# and the open A string is exactly what gives Amaj7 its shimmering, slightly unresolved quality; on most instruments a major seventh interval reads as tense, but on ukulele's compact four strings the G# rings out cleanly right next to open A rather than clashing against it the way a half-step dissonance might on a denser voicing.

Where plain A major functions as a firm arrival point, Amaj7 works better as a chord you linger on rather than resolve to — it's the harmonic equivalent of an unfinished sentence, common in jazz-inflected ukulele arrangements, bossa-tinged strumming patterns, and any spot in a song where the writer wants warmth without full closure. As the I chord in the key of A major (treated with its major seventh rather than a plain triad), it announces a jazzier harmonic vocabulary right from the tonic. It also appears as the IV chord in the key of E major, a spot where major-seventh color is a favorite substitution for a plain IV in singer-songwriter and neo-soul-influenced repertoire. Because the fretted notes sit on the two lowest-pitched open strings (G and C) rather than reaching up toward the reentrant A, the chord keeps a slightly darker, rounder low end compared to G# floating alone on top, which is part of why it reads as mellow rather than bright.

Fingerings

Open Position

How to Practice It

Practice the A-to-Amaj7 move directly: hold A major's 2-1-0-0 shape, then walk the middle finger from the A string's second fret over to the G string's first fret while the index finger stays anchored on the C string. That single-finger relocation is the whole exercise, and it's worth drilling slowly since a G# left even slightly out of tune reads immediately as sour rather than lush. Listen for the open E and A strings ringing clean underneath the two fretted notes — any dampening from the fretting hand's palm flattens the chord's characteristic shimmer. Once the move is smooth, try it inside a slow arpeggio rather than a strum, picking G, C, E, A in sequence, since Amaj7's seventh interval is easier to actually hear note by note than inside a fast rhythmic strum. It's also worth comparing this shape directly against Amaj7's guitar-style cousin, Dmaj7 (built the same way, one string over), since recognizing the shared two-finger, two-open-string pattern across roots makes future maj7 chords easier to predict rather than memorize individually.

Common Progressions

Imaj7 – IVmaj7 – V (Amaj7 – Dmaj7 – E)
IVmaj7 in the key of E (E – Amaj7 – B7)
vi – IVmaj7 – I (F#m – Amaj7 – A... reinterpreted around A as tonic)
Imaj7 – vi – ii – V (Amaj7 – F#m – Bm – E7)

FAQ

What's the difference between A major and Amaj7 on ukulele?: One finger moves: A major frets the A string's second fret, Amaj7 instead frets the G string's first fret, swapping a doubled root for the chord's major seventh (G#).
Why does Amaj7 sound dreamy rather than tense?: The G# sits a half-step below the open A string, and on ukulele's compact reentrant tuning that closeness rings as shimmer rather than harsh dissonance, unlike the same interval voiced lower on other instruments.
Where does Amaj7 fit harmonically?: As the I chord of A major it opens the key with jazzier color than a plain triad, and as the IV chord of E major it's a favorite substitution wherever a song wants warmth instead of a flat resolution.
What's the easiest way to learn the Amaj7 shape?: Start from open A major and practice relocating only the middle finger, from the A string's second fret to the G string's first fret, keeping the index finger planted the whole time.
Does Dmaj7 share Amaj7's shape family?: Structurally yes — both are two-finger, two-open-string major sevenths, though the exact strings and frets involved differ since each root's notes fall in different places across GCEA tuning; recognizing the pattern still helps predict where a new maj7 chord is likely to sit.

Amaj7 on other instruments: Amaj7 on Guitar, Amaj7 on Piano. Related: how chords are built, chord finder.