Bmaj7♯5 (augmented major 7th)

4-note augmented major 7th on BB, D♯, G, A♯.

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
1Broot
3D♯major third
♯5Gsharp fifth (augmented)
7A♯major seventh

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

Guitar fingerings · 4

2134
open position
2fr1423
from fret 2
6fr2133
from fret 6
11fr143211
from fret 11

Ukulele fingerings · 4

4231
open position
2341
open position
4fr1423
from fret 4
7fr2314
from fret 7

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 B chords

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