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Ukulele Standard
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B flat diminished seventh (Bb°7) chord on ukulele

Notes
B♭D♭F♭A𝄫
Formula
1♭3♭5𝄫7

How to play Bb°7 on ukulele

  1. Shape 1 · 1st position

    Bb°7 chord on ukulele, shape 1: first position, with open strings, notes Bb, Db, Fb, Abb

  2. Shape 2 · fret 3

    Bb°7 chord on ukulele, shape 2: from fret 3, notes Bb, Db, Fb, Abb

  3. Shape 3 · fret 6

    Bb°7 chord on ukulele, shape 3: from fret 6, notes Bb, Db, Fb, Abb

  4. Shape 4 · fret 9

    Bb°7 chord on ukulele, shape 4: from fret 9, notes Bb, Db, Fb, Abb

Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. x = do not play the string, o = open string. The coloured dot is the root (B flat).

Bb°7 inversions on ukulele

The same Bb°7 with another chord note in the bass (the lowest note that sounds). The notes stay the same, but the colour changes, and the bass line can move by step from one chord to the next. In a chord symbol, the bass comes after the slash.

  1. 3rd (D♭) in the bass1st inversion · Bb°7/Db

    B flat diminished seventh, Bb°7/Db, 0101B♭°7/D♭12A𝄫D♭F♭B♭metronotuner.com

  2. 5th (F♭) in the bass2nd inversion · Bb°7/Fb

    B flat diminished seventh, Bb°7/Fb, 3434B♭°7/F♭1324B♭F♭A𝄫D♭metronotuner.com

  3. 5th (F♭) in the bass2nd inversion · Bb°7/Fb

    B flat diminished seventh, Bb°7/Fb, 0464B♭°7/F♭4132A𝄫F♭B♭D♭metronotuner.com

  4. 7th (A𝄫) in the bass3rd inversion · Bb°7/Abb

    B flat diminished seventh, Bb°7/Abb, 6767B♭°7/A𝄫61324D♭A𝄫B♭F♭metronotuner.com

  5. 7th (A𝄫) in the bass3rd inversion · Bb°7/Abb

    B flat diminished seventh, Bb°7/Abb, 0-10-9-7B♭°7/A𝄫7431A𝄫B♭D♭F♭metronotuner.com

About the diminished seventh chord

The diminished seventh splits the octave into four equal parts: the same shape repeats every 3 frets and the chord has four possible names. A sound of drama and suspense; the classic passing chord of choro, samba, tango and silent-film scores.

Notes and intervals of Bb°7

Bb°7 (B flat diminished seventh) is built from 4 notes. Each one fills a degree of the chord:

  • B♭ · 1 · root
  • D♭ · ♭3 · minor third
  • F♭ · ♭5 · diminished fifth
  • A𝄫 · 𝄫7 · diminished seventh

Other B flat chords

Diminished seventh: other roots

Frequently asked questions

How do you play the Bb°7 chord on ukulele?

Bb°7 (B flat diminished seventh) has 4 fingerings on this page, from easiest to hardest. Each diagram shows the fingers, the open strings (o) and the strings you do not play (x), and you can hear every shape.

What notes are in Bb°7?

The notes of Bb°7 are B♭, D♭, F♭, A𝄫. The formula is 1 · ♭3 · ♭5 · 𝄫7: root, minor third, diminished fifth, diminished seventh.

What does Bb°7 mean?

Bb°7 is the chord symbol for B flat diminished seventh. The diminished seventh splits the octave into four equal parts: the same shape repeats every 3 frets and the chord has four possible names. A sound of drama and suspense; the classic passing chord of choro, samba, tango and silent-film scores.

Can I play Bb°7 on other instruments?

Yes. Bb°7 also has a page on guitar, on cavaquinho, with the fingerings for each instrument.

Bb°7 on other instruments

All ukulele chords