B9 Guitar Chord

B9 is a dominant ninth chord. It stacks a major ninth on top of a dominant seventh chord and is a staple of funk and blues. Its notes are B, D#, F#, A and C#. Below is one way to play it, with a chord diagram, tab and finger numbers.

Notes in B9

NoteDegreeInterval
BRRoot
D#3Major 3rd
F#5Perfect 5th
Ab7Minor 7th
C#9Major 9th

Formula: 1–3–5–b7–9

B9 chord shapes

Finger numbers: 1 index, 2 middle, 3 ring, 4 pinky. In the tab, x means don't play that string and 0 means play it open. In the diagrams the top line is the 1st (thinnest) string and the nut is on the left.

  • E-shape 7fr

    Easiest
    7fr131214
    Tab (6th → 1st string)
    7 9 7 8 7 9
    Fingers
    1 3 1 2 1 4

How to play B9 (easiest shape)

Shape: E-shape 7fr, tab 7 9 7 8 7 9 (6th to 1st string).

7fr131214
  1. 1Lay your index finger (1) flat across the 6th to 2nd strings at the 7th fret (a barre).
  2. 2Put your middle finger (2) on the 3rd string at the 8th fret.
  3. 3Put your ring finger (3) on the 5th string at the 9th fret.
  4. 4Put your pinky (4) on the 1st string at the 9th fret.
  5. 5Strum down from the 6th string to the 1st string.

B9: common questions

What notes are in the B9 chord?
B9 has 5 notes: B, D#, F#, A and C#. Counted from the root, that is 1–3–5–b7–9.
Is there an easier way to play B9?
The easiest shape on this page is "E-shape 7fr" (7 9 7 8 7 9). Every shape on this page is a barre chord. Barre shapes are movable: keep the same hand shape and slide it along the neck to play this type of chord from other roots.

Same chord type, other roots

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