Bb7#5

Dominant 7th Sharp 5

Click keys to experiment with the chord

Notes

1•A#43•D5#5•F#5b7•G#5

Formula

1 – 3 – #5 – b7

Intervals: 0 semitones, 4 semitones, 8 semitones, 10 semitones

Practice Note

Enharmonically equivalent to aug7. In jazz lead sheets, 7#5 or +7 are slightly preferred for conciseness.

About Bb7#5

The Bb7#5 chord sounds colorful and expressive. It is built from the notes A#, D, F#, G#, stacking 4 tones to create its distinctive sound.

Notes: A# – D – F# – G# | Formula: 1 – 3 – #5 – b7

Related Chords

Dominant 7th Sharp 5 in other keys

C7#5 Db7#5 D7#5 Eb7#5 E7#5 F7#5

Other Bb chords

Bb5 — Power Chord Bb6 — Major 6th Bb7 — Dominant 7th Bb9 — Dominant 9th Bb11 — Dominant 11th Bb13 — Dominant 13th Bb — Major Bbm — Minor

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