B add 9 chord on guitar (Badd9)

Also called or written Badd9, B or B Add 9th

B add 9 is built from B, D♯, F♯ and C♯. The default grip at the 7th fret demands a wide stretch between the index and pinky fingers.

7frBD♯F♯C♯EADGBE
Positions on the neck1 of 5
Practice B add 9 chord

How it is built

BRootD♯Major thirdF♯Perfect fifthC♯Ninth

Formula 1, 3, 5, 9

Inversions

How do you play a B add 9 chord on guitar?

B add 9 is played at the 7th fret as × × 9 8 7 9: ring finger on the D string at fret 9, middle finger on the G string at fret 8, index finger on the B string at fret 7 and pinky finger on the high e string at fret 9. The low E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)muted
4 (D)93B (1)
3 (G)82D♯ (3)
2 (B)71F♯ (5)
1 (e)94C♯ (2)

AdvancedThe pinky must stretch to the 9th fret on the high E while the index holds the 7th fret on the B string, a two-fret span.

Badd9/D♯ inversion · fret 6

B add 9 is played at the 6th fret as × 6 × 6 7 7: index finger on the A string at fret 6, middle finger on the G string at fret 6, ring finger on the B string at fret 7 and pinky finger on the high e string at fret 7. The low E and D strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)61D♯ (3)
4 (D)muted
3 (G)62C♯ (2)
2 (B)73F♯ (5)
1 (e)74B (1)

Badd9/D♯ inversion · fret 9

B add 9 is played at the 9th fret as 11 9 9 11 × 9: barre your index finger across fret 9, ring finger on the low E string at fret 11 and pinky finger on the G string at fret 11. The B string stays muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)113D♯ (3)
5 (A)91 (barre)F♯ (5)
4 (D)91 (barre)B (1)
3 (G)114F♯ (5)
2 (B)muted
1 (e)91 (barre)C♯ (2)

Badd9/D♯ inversion · fret 11

B add 9 is played at the 11th fret as 11 × 11 11 12 11: barre your index finger across fret 11 and pinky finger on the B string at fret 12. The A string stays muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)111 (barre)D♯ (3)
5 (A)muted
4 (D)111 (barre)C♯ (2)
3 (G)111 (barre)F♯ (5)
2 (B)124B (1)
1 (e)111 (barre)D♯ (3)

Badd9/F♯ inversion

B add 9 is played at the 1st fret as 2 2 1 × 2 ×: middle finger on the low E string at fret 2, ring finger on the A string at fret 2, index finger on the D string at fret 1 and pinky finger on the B string at fret 2. The G and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)22F♯ (5)
5 (A)23B (1)
4 (D)11D♯ (3)
3 (G)muted
2 (B)24C♯ (2)
1 (e)muted

Why it sounds like that

B add 9 is a major triad with the 9th added, a major 2nd above the root. The C♯ adds a shimmering quality to the otherwise plain B major. Contrast it with B major, which has only three notes.

What goes wrong with B add 9?

  • Letting the low E or A string sound, which adds notes outside the chord.
  • Buzzing the D string because the ring finger is not close enough to the fret.
  • Collapsing the pinky joint so it mutes the high E string.

When to use it

B add 9 functions as the tonic in B major, fitting progressions like B–E–F♯–B (I–IV–V–I). It is common in rock ballads and modern worship music. Use it to add color to B major without changing the harmony.

Changing to and from B add 9

  • Move to B major by lifting the pinky and keeping the other three fingers on the same frets.
  • Slide the shape down two frets to the 5th fret to play A add 9.

Which voicing to use

The 7th fret position has B in the bass for a solid root sound. The Badd9/D♯ inversion at the 6th fret puts the major 3rd in the bass, creating a slightly unstable but colorful voicing. The Badd9/F♯ inversion at the 2nd fret has the 5th in the bass and is useful for stepwise bass movement.

Other B chords

Common questions

How is B add 9 written?

B add 9 is written as Badd9 or B. The symbol Badd9 is the most common, and the alternate name Add 9th is also used.

What is the difference between B add 9 and B suspended 2nd?

B add 9 contains the major 3rd (D♯) and the 9th (C♯), while B suspended 2nd replaces the 3rd with the 2nd (C♯). B add 9 has a more resolved major sound.

Can I play B add 9 with a barre?

The default 7th fret shape uses no barre, but the Badd9/D♯ inversion at the 11th fret uses a barre at the 11th fret. That voicing is higher and brighter.