B-maj7#5 Augmented
The B-maj7#5 chord is built from the notes B – D – F## – A#.
Piano sound loads on first tap.
Also known as
Bm(maj7#5)Bmmaj7#5
Chord tones, one by one
BRoot
Root
The fundamental note the chord is built on — B.
DThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
F##Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
A#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz