Fretboard
Chord Identifier & Player

B♭add9 chord

B♭ add 9. The notes are B♭, D, F and C. Also written A♯add9. Four ways to play it are below the neck.

B♭add9Added 9th
B♭ · D · B♭ · CR 3 2also
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Ways to play B♭add9

Open position first, then up the neck. Tap a shape to put it on the fretboard above and hear it. The numbers are fingers (1 is your index), × means leave that string out, and ○ means let it ring open.

What's in B♭add9

An add9 chord is a major triad with the 9th added (the 2nd, an octave up) and no 7th: B♭add9 is B♭, D, F, C. Leaving out the 7th is what separates it from B♭9.

NoteFormulaInterval from B♭
B♭1Root
D3Major 3rd
F5Perfect 5th
C9Major 9th

Brighter than a plain major chord, with a bit of shimmer from the 9th. Acoustic players lean on it because add9 shapes often keep fingers anchored between changes: Cadd9 played x32033 shares its top two notes, D and G, with the G shape 320033.

Keys that use B♭add9

Every major and minor key whose scale contains all of B♭, D, F and C, and the chord's Roman numeral in each.

KeyB♭add9 is the
B♭ majorIadd9
F majorIVadd9
E♭ majorVadd9
D minorVIadd9
G minorIIIadd9
C minorVIIadd9

Progressions to try

Iadd9–IV–V in B♭ major

  1. B♭add9
  2. E♭
  3. F

An add9 in place of the plain I chord, common in strummed acoustic and worship music.

Other chords on B♭:

See every chord in the library