Bdim7

The Bdim7 chord sounds intensely tense and symmetrical, often used as a passing chord. It is built from the notes B, D, F, G#, stacking 4 tones to create its distinctive sound. This chord is commonly heard in jazz, and gypsy jazz.

Notes: B – D – F – G#  |  Formula: 1 – b3 – b5 – bb7