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B7♯5 Chord on Guitar

B7♯5 is the B augmented 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♯♯ · AFormula: 1 · 3 · ♯5 · ♭7Hear it and see it on the fretboard ▸

B7♯5: Chord shapes (open & barre)

  • B7♯5 – open position×R3♭7R♯5open position
  • B7♯5 – fret 2×R♯5♭73♯5fret 2
  • B7♯5 – fret 77R♯5♭73♯5Rfret 7
  • B7♯5 – fret 99××R♯5♭73fret 9

B7♯5: Drop 2 voicings

  • B7♯5 – bass: ♯5♯5R3♭7××bass: ♯5
  • B7♯5 – bass: ♯58×♯5R3♭7×bass: ♯5
  • B7♯5 – bass: ♯5××♯5R3♭7bass: ♯5
  • B7♯5 – bass: ♭74♭73♯5R××bass: ♭7
  • B7♯5 – bass: ♭712×♭73♯5R×bass: ♭7
  • B7♯5 – bass: ♭77××♭73♯5Rbass: ♭7
  • B7♯5 – bass: R7R♯5♭73××bass: R
  • B7♯5 – bass: R×R♯5♭73×bass: R
  • B7♯5 – bass: R9××R♯5♭73bass: R
  • B7♯5 – bass: 393♭7R♯5××bass: 3
  • B7♯5 – bass: 34×3♭7R♯5×bass: 3
  • B7♯5 – bass: 312××3♭7R♯5bass: 3

B7♯5: Drop 3 voicings

  • B7♯5 – bass: 393×R♯5♭7×bass: 3
  • B7♯5 – bass: 34×3×R♯5♭7bass: 3
  • B7♯5 – bass: ♯512♯5×3♭7R×bass: ♯5
  • B7♯5 – bass: ♯57×♯5×3♭7Rbass: ♯5
  • B7♯5 – bass: ♭7♭7×♯5R3×bass: ♭7
  • B7♯5 – bass: ♭711×♭7×♯5R3bass: ♭7
  • B7♯5 – bass: R7R×♭73♯5×bass: R
  • B7♯5 – bass: R×R×♭73♯5bass: R

B7♯5: Shell voicings (jazz)

  • B7♯5 – R-3-76R3♭7×××R-3-7
  • B7♯5 – R-3-7×R3♭7××R-3-7
  • B7♯5 – R-7-37R×♭73××R-7-3
  • B7♯5 – R-7-3×R×♭73×R-7-3

Scales to play over B7♯5

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

Other B chords

Triads

Sevenths

Sixths

Added

Extended

Augmented 7th chords in other keys

FAQ

What notes are in the B7♯5 chord?
B7♯5 (B augmented 7th) contains B, D♯, F♯♯, A — formula 1 3 ♯5 ♭7.
How do you play B7♯5 on guitar?
A common shape is x21203 (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 B7♯5?
Good choices to solo over B7♯5: B Whole tone, B Altered (Superlocrian), B Phrygian dominant.