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B♭°7 Chord on Guitar

B♭°7 is the B♭ diminished 7th chord — 4 notes (B♭, D♭, F♭, A♭♭) built from the formula 1 ♭3 ♭5 ♭♭7. Below are playable shapes across the fretboard, the keys it belongs to and the scales to use when soloing over it.

Notes: B♭ · D♭ · F♭ · A♭♭Formula: 1 · ♭3 · ♭5 · ♭♭7Hear it and see it on the fretboard ▸

B♭°7: Chord shapes (open & barre)

  • B♭°7 – open position×R♭5♭♭7♭3♭5open position
  • B♭°7 – fret 55R♭5♭♭7♭3♭5×fret 5
  • B♭°7 – fret 66R♭5R♭3♭♭7Rfret 6
  • B♭°7 – fret 88××R♭5♭♭7♭3fret 8
  • B♭°7 – fret 1111×R♭3♭♭7R♭5fret 11
  • B♭°7 – fret 1212×R♭5♭♭7♭3♭5fret 12

B♭°7: Drop 2 voicings

  • B♭°7 – bass: ♭511♭5R♭3♭♭7××bass: ♭5
  • B♭°7 – bass: ♭56×♭5R♭3♭♭7×bass: ♭5
  • B♭°7 – bass: ♭5××♭5R♭3♭♭7bass: ♭5
  • B♭°7 – bass: ♭♭7♭♭7♭3♭5R××bass: ♭♭7
  • B♭°7 – bass: ♭♭79×♭♭7♭3♭5R×bass: ♭♭7
  • B♭°7 – bass: ♭♭75××♭♭7♭3♭5Rbass: ♭♭7
  • B♭°7 – bass: R5R♭5♭♭7♭3××bass: R
  • B♭°7 – bass: R12×R♭5♭♭7♭3×bass: R
  • B♭°7 – bass: R8××R♭5♭♭7♭3bass: R
  • B♭°7 – bass: ♭38♭3♭♭7R♭5××bass: ♭3
  • B♭°7 – bass: ♭3×♭3♭♭7R♭5×bass: ♭3
  • B♭°7 – bass: ♭311××♭3♭♭7R♭5bass: ♭3

B♭°7: Drop 3 voicings

  • B♭°7 – bass: ♭38♭3×R♭5♭♭7×bass: ♭3
  • B♭°7 – bass: ♭3×♭3×R♭5♭♭7bass: ♭3
  • B♭°7 – bass: ♭511♭5×♭3♭♭7R×bass: ♭5
  • B♭°7 – bass: ♭56×♭5×♭3♭♭7Rbass: ♭5
  • B♭°7 – bass: ♭♭7♭♭7×♭5R♭3×bass: ♭♭7
  • B♭°7 – bass: ♭♭79×♭♭7×♭5R♭3bass: ♭♭7
  • B♭°7 – bass: R5R×♭♭7♭3♭5×bass: R
  • B♭°7 – bass: R12×R×♭♭7♭3♭5bass: R

B♭°7: Shell voicings (jazz)

  • B♭°7 – R-3-74R♭3♭♭7×××R-3-7
  • B♭°7 – R-3-711×R♭3♭♭7××R-3-7
  • B♭°7 – R-7-35R×♭♭7♭3××R-7-3
  • B♭°7 – R-7-312×R×♭♭7♭3×R-7-3

Scales to play over B♭°7

Ordered from the most common choice. All of them contain B♭, D♭, F♭, A♭♭.

Other B♭ chords

Triads

Sevenths

Sixths

Added

Extended

Diminished 7th chords in other keys

FAQ

What notes are in the B♭°7 chord?
B♭°7 (B♭ diminished 7th) contains B♭, D♭, F♭, A♭♭ — formula 1 ♭3 ♭5 ♭♭7.
How do you play B♭°7 on guitar?
A common shape is x12020 (low E to high E, x = muted string, open position). This page shows more shapes, drop 2, drop 3 and shell voicings in the interactive library.
What scale goes with B♭°7?
Good choices to solo over B♭°7: B♭ Diminished (whole-half), B♭ Superlocrian 𝄫7, B♭ Locrian ♮6.