A#maj9 / Bbmaj9 Guitar Chord
A#maj9 (also written Bbmaj9) is a major ninth chord. It adds a major ninth to a major seventh chord for a lush, open sound. Its notes are Bb, D, F, A and C. Below is one way to play it, with a chord diagram, tab and finger numbers.
Notes in A#maj9 / Bbmaj9
A#maj9 and Bbmaj9 are two names for the same chord. The notes below are spelled as Bbmaj9.
| Note | Degree | Interval |
|---|---|---|
| Bb | R | Root |
| D | 3 | Major 3rd |
| F | 5 | Perfect 5th |
| A | 7 | Major 7th |
| C | 9 | Major 9th |
Formula: 1–3–5–7–9
A#maj9 / Bbmaj9 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.
Maj9 shape 1fr
Easiest- Tab (6th → 1st string)
- x 1 0 2 1 x
- Fingers
- – 1 – 3 2 –
How to play A#maj9 / Bbmaj9 (easiest shape)
Shape: Maj9 shape 1fr, tab x 1 0 2 1 x (6th to 1st string).
- 1Put your index finger (1) on the 5th string at the 1st fret.
- 2Put your middle finger (2) on the 2nd string at the 1st fret.
- 3Put your ring finger (3) on the 3rd string at the 2nd fret.
- 4Let the 4th string ring open.
- 5Don't play the 6th string.
- 6Keep the 1st string quiet: stop your strum at the 2nd string, or let a fretting finger touch it lightly.
- 7Strum down from the 5th string to the 2nd string.
A#maj9 / Bbmaj9: common questions
- What notes are in the A#maj9 / Bbmaj9 chord?
- A#maj9 and Bbmaj9 are two names for the same chord. Spelled as Bbmaj9, it has 5 notes: Bb, D, F, A and C. Counted from the root, that is 1–3–5–7–9.
- Is there an easier way to play A#maj9 / Bbmaj9?
- The easiest shape on this page is "Maj9 shape 1fr" (x 1 0 2 1 x). It needs no barre: each finger presses just one string.
Related chords
Other A#/Bb chords
Same chord type, other roots
More guitar tools
See all 231 chords in the chord library, find a scale to play over them, or tune up before you start.