A major fourth, add ninth - Chord Database

A4⁺⁹

A major fourth, add ninth

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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: A4⁺², A3^+2+♯3, B2^+7+♯2, B2^+♯2+♯6, C♭2^+7+♯2, C♭2^+♯2+♯6.

Notes in this chord: A, C♯, D, B. Integer notation: {1, 2, 9, 11}.

Keys in which this chord fits with this spelling: DM, AM, Bm, F♯m

Keys in which this chord fits with enharmonic spelling: C♭m, G♭m

Nearby chords (one less note): A4, A3⁺², D6^-3, B2^+♯2.

Nearby chords (one more note): Bm9, A⁺²⁺⁴, Bm9^♭5, G^+2+♯4, A4^+2+♯1, A4^+2+♯2, A4^+2+♯4, A♭dim^+4+♯1.

Parallel chords (same structure, different root): C4⁺⁹, D4⁺⁹, E4⁺⁹, F4⁺⁹, G4⁺⁹, B4⁺⁹, C♭4⁺⁹, D♭4⁺⁹, E♭4⁺⁹, F♭4⁺⁹, G♭4⁺⁹, A♭4⁺⁹, B♭4⁺⁹, C♯4⁺⁹, D♯4⁺⁹, E♯4⁺⁹, F♯4⁺⁹, G♯4⁺⁹, A♯4⁺⁹, B♯4⁺⁹.

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

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