Bdim7♯7

B diminished seventh, sharp seventh

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MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: F6♭5, G9-1, Dm6♯6, E♯6♭5, Ddim7♯5, C♭dim7♯7.

Notes in this chord: B, D, F, A. Integer notation: {2, 5, 9, 11}.

Keys in which this chord fits with this spelling: CM, Am

Keys in which this chord fits with enharmonic spelling: B♯M

Nearby chords (one less note): Dm, Bdim, D6-3, E♯♭5.

Nearby chords (one more note): G9, Bm9♭5, D6+♯2, Dm9♭7, F6+♯4, B9♯9♭5, B♭+♯1+♭1, A♭dim7+♯1.

Parallel chords (same structure, different root): Edim7♯7, C♭dim7♯7, D♭dim7♯7, G♭dim7♯7, F♯dim7♯7.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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