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B♭/A

  1. A7bass
  2. B♭Rtriad
  3. D3triad
  4. F5triad
Open B♭/A in the chord libraryDownload the B♭/A chart (PDF)
Voicings

4 ways to play B♭/A

Every voicing sits inside one of the five CAGED shapes, low to high on the neck, with its octave doublings in grey.

  • Triad note
  • Substitute
  • Added
  • Anchored root
  • Bass
  • Doubling
CC shape 1st inversion B♭/A
10 11 12 13 R 5 3 7

Frets x 12 12 10 11 xNotes A D F B♭Intervals 7 3 5 1Base triadB♭ major, 1st inversion

AA shape 2nd inversion B♭/A
1 2 3 4 3 R 5 7

Frets x 0 3 3 3 xNotes A F B♭ DIntervals 7 5 1 3Base triadB♭ major, 2nd inversion

GG shape 1st inversion B♭/A
3 4 5 6 R 5 3 7

Frets 5 5 3 3 x xNotes A D F B♭Intervals 7 3 5 1Base triadB♭ major, 1st inversion

EE shape 1st inversion B♭/A
6 7 8 9 R 5 3 7

Frets x x 7 7 6 6Notes A D F B♭Intervals 7 3 5 1Base triadB♭ major, 1st inversion

The rules

The construction rules B♭/A follows

  1. Start from a triad

    Root, 3rd and 5th, stacked in thirds. The 3rd makes it major or minor; the 5th makes it diminished or augmented when it moves.

  2. A slash names the bass

    Chord/bass puts any note under a triad. A chord tone gives an inversion, such as C/E; another note gives a new chord: G/F is G7 with the 7th in the bass.

All the rules, with examples, in the guide to the chord library.

Major triad over the 7th in every key

More chords on B♭

B♭/A chord questions

What notes are in B♭/A?

B♭/A is spelled A B♭ D F: A is the 7th, B♭ is the root, D is the 3rd, F is the 5th.

What is the formula of B♭/A?

7 1 3 5. It is a B♭ major triad, over A in the bass.

How many ways can you play B♭/A on guitar?

This page shows 4 voicings of B♭/A, filed under the five CAGED shapes and named by inversion, from the open position up to the 16th fret.