B♭9+4

B flat dominant ninth, add fourth

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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: A♯11, B♭11, A♯9+4, A♯9+♯3, B♭9+♯3, Cm11♯5.

Notes in this chord: B♭, D, E♭, F, A♭, C. Integer notation: {0, 2, 3, 5, 8, 10}.

Keys in which this chord fits with this spelling: E♭M, Cm

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

Nearby chords (one less note): B♭9, A♭9♭7, B♭7+4, A♭6+♯4, B♭+2+4, A♭+2+♯4.

Nearby chords (one more note): B♭13, F13♯9, A♭13♯11, B♭11+♯1, B♭11+♯2, B♭11+♯4.

Parallel chords (same structure, different root): C9+4, D9+4, E9+4, F9+4, G9+4, A9+4, B9+4, C♭9+4, D♭9+4, E♭9+4, F♭9+4, G♭9+4, A♭9+4, C♯9+4, D♯9+4, E♯9+4, F♯9+4, G♯9+4, A♯9+4, B♯9+4.

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

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