Notechord

Amaj7♯5 (augmented major 7th)

4-note augmented major 7th on A — A, C♯, F, G♯.

Press to hear the chord strummed low to high.

A major seventh on an augmented triad — raised fifth under the leading tone, ethereal and unresolved-yet-major.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1Aroot
3C♯major third
♯5Fsharp fifth (augmented)
7G♯major seventh

The formula reads in semitones above the root (A): 1, 3, ♯5, 7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

From the same deskKeychord— keyboard shortcuts for every app

Guitar fingerings · 4

32
open position
23
open position
5fr2341
from fret 5
9fr43211
from fret 9

Ukulele fingerings · 4

123
open position
2fr1423
from fret 2
5fr2314
from fret 5
9fr2113
from fret 9

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other A chords

maj7♯5 (augmented major 7th) chords on every root