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PIANO CHORD · 9

B9 Piano

Learn the B Dominant 9 (B9) chord on piano: notes (B, D♯, F♯, A, C♯), intervals, fingering, diagram, and an interactive audio tool.

Enharmonic name: B

Quick answer

B9 contains B, D♯, F♯, A, C♯. A rich and polished expansion of a dominant seventh.

Positions

Root position

B · D♯ · F♯ · A · C♯

Inversion 1

D♯ · F♯ · A · C♯ · B

Inversion 2

F♯ · A · C♯ · B · D♯

Inversion 3

A · C♯ · B · D♯ · F♯

Inversion 4

C♯ · B · D♯ · F♯ · A

Notes

  1. BRoot
  2. D♯Major 3rd
  3. F♯Perfect 5th
  4. AMinor 7th
  5. C♯Major 9th

Intervals

Root · Major 3rd · Perfect 5th · Minor 7th · Major 9th

Frequently asked questions

What notes are in B9?

B · D♯ · F♯ · A · C♯

Which scale works with B9?

B Mixolydian