piano chord
Bdim7
B1D♭3F♭5A♭♭♭7
Three minor thirds stacked. The seventh is doubly diminished, which is why it is written with a double flat.
What is true of it
Bdim7 is B, D, F and A♭ — 1, b3, b5 and bb7 counted from B.
piano chord
Three minor thirds stacked. The seventh is doubly diminished, which is why it is written with a double flat.
Bdim7 is B, D, F and A♭ — 1, b3, b5 and bb7 counted from B.