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

How to play a Bdim chord on Accordion

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

    AKA: B diminished seventh, B°, Bdim, Bdim7, Bdim7th, Bdim/6, Bdim(add6)

    Green bass pattern: Bdim7(omit5) = Bm6(omit5)

    Blue counter bass pattern: Bdim7

    Bdim Accordion chord chart

    B dim notation

    Notes:

    B, D, F, A♭

    Bdim 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:
    Bdim7(omit5), same as Bm6(omit5)

    B + Bdim
    (C♭ + C♭dim)

    Blue counter bass pattern: Bdim7

    B + Fdim

    Fingering:

    4 + 2

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