C-maj7 Diminished
The C-maj7 chord is built from the notes C – Eb – Gb – B.
Piano sound loads on first tap.
Also known as
C-maj7b5Cdim(maj7)Cdimmaj7Cm(b5)maj7Cm(maj7b5)Cm7b5(maj7)
Chord tones, one by one
CRoot
Root
The fundamental note the chord is built on — C.
EbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
GbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
BSeventh
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