A major sixth, add sharp fourth

music notation
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Choose audio sample set:
MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: A6+♭5, B11-1, A6+♯11, C♭11-1, F♯m7+♯6, G♭m7+♯6.

Notes in this chord: A, C♯, D♯, E, F♯. Integer notation: {1, 3, 4, 6, 9}.

Keys in which this chord fits with this spelling: EM, C♯m

Keys in which this chord fits with enharmonic spelling: F♭M, D♭m

Nearby chords (one less note): A6, A+♯4, A6♭5, D♭m4+2, E♭dim+♯1.

Nearby chords (one more note): B11, B13-1, DM9+♯1, A7+6+♯4, G♭9♯9+6, A6+♯2+♯4, A6+♯4+♯5.

Parallel chords (same structure, different root): C6+♯4, D6+♯4, E6+♯4, F6+♯4, G6+♯4, B6+♯4, C♭6+♯4, D♭6+♯4, E♭6+♯4, F♭6+♯4, G♭6+♯4, A♭6+♯4, B♭6+♯4, C♯6+♯4, D♯6+♯4, E♯6+♯4, F♯6+♯4, G♯6+♯4, A♯6+♯4, B♯6+♯4.

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