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Home » Diminished / min6 Chords » How to play a Bbdim chord on Accordion

How to play a Bbdim chord on Accordion

    On the Stradella bass system, diminished 7th chords are also minor 6th chords

    AKA: Bb diminished seventh, Bb°, Bbdim, Bbdim7, Bbdim7th, Bbdim/6, Bbdim(add6)

    Green bass pattern: Bbdim7(omit5) = Bbm6(omit5)

    Blue counter bass pattern: Bbdim7

    Bbdim Accordion chord chart

    Bb dim notation

    Notes:

    B♭, D♭, F♭, A♭♭
    (B♭, D♭, E, G)

    B♭dim button plays:
    B♭, D♭, A♭♭ (no F♭)

    Intervals:

    R, m3°, dim5°, dim7°

    Dim buttons play:
    R, m3°, dim7° (no dim5°)

    Left hand:

    Green bass pattern:
    Bbdim7(omit5), same as Bbm6(omit5)

    B♭ + B♭dim
    (A# + A#dim)

    Blue counter bass pattern: Bbdim7

    B♭ + F♭dim
    (A# + Edim)

    Fingering:

    4 + 2

     

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