All about the Bb 7 + 5 (7+) chord

What notes are in the Bb 7 + 5 (7+) chord?

The Bb 7 + 5 (7+) chord is played out of 4 notes: Bb, D, F#, Ab.

How to play the Bb 7 + 5 (7+) chord on piano?

What tones from the Bb Major scale are used in the Bb 7 + 5 (7+) chord?

The Bb 7 + 5 (7+) chord borrows 4 tones from the Bb Major scale: 1, 3, #5, b7.

IIII#VbVII
BbDF#Ab

What are the alterations in the Bb 7 + 5 (7+) chord?

The Bb 7 + 5 (7+) chord contains the following alterations:
  • 2 Flat
  • 1 Sharp