A-maj7 Diminished
The A-maj7 chord is built from the notes A – C – Eb – G#.
Piano sound loads on first tap.
Also known as
A-maj7b5Adim(maj7)Adimmaj7Am(b5)maj7Am(maj7b5)Am7b5(maj7)
Chord tones, one by one
ARoot
Root
The fundamental note the chord is built on — A.
CThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
EbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
G#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