A sharp major, add second

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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♯+9, B♭+2, B♭+9, A♯M+2, B♭M+2, Dm7♯5.

Notes in this chord: A♯, B♯, C♯♯, E♯. Integer notation: {0, 2, 5, 10}.

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

Keys in which this chord fits with enharmonic spelling: FM, E♭M, B♭M, Cm, Dm, Gm

Nearby chords (one less note): B♭, F6-3, B♭3+2, B♭sus2.

Nearby chords (one more note): B♭9, B♭M9, B♭9♭7, B♭+2+4, B♭+2+♯1, B♭+2+♯2, B♭+2+♯4, B♭+2+♯5.

Parallel chords (same structure, different root): C+2, D+2, E+2, F+2, G+2, A+2, B+2, C♭+2, D♭+2, E♭+2, F♭+2, G♭+2, A♭+2, B♭+2, C♯+2, D♯+2, E♯+2, F♯+2, G♯+2, B♯+2.

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