A9 sus chord
A9 sus chord for piano with keyboard diagram.
Explanation: The A9sus4 is a five-note chord (although the fifth is sometimes omitted).
Theory: The A9sus4 is an suspended ninth chord with the third replaced by a perfect four. A9sus4 is the same as A11 without the major third (C#).
A9sus4
Notes: A - D - E - G - B
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