B♭ Minor Major 7th
The Hitchcock Chord — Herrmann, 'Psycho' (1960)
BbmMaj7 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
B♭ – D♭ – F – A
1 – b3 – 5 – 7
Also written as Cm(maj7). The parenthesized form is sometimes preferred for visual clarity.
The BbmMaj7 chord sounds haunting and cinematic, blending minor darkness with major tension. Its notes are Bb, Db, F, A. This chord is commonly heard in jazz. The Hitchcock Chord — Herrmann, 'Psycho' (1960).