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Aadd9 is a chord notation that indicates an A major chord with an added ninth note. Specifically, it consists of the notes A (root), C# (major third), E (perfect fifth), and B (ninth). This chord adds a rich, colorful sound to music, often used in various genres to create a more complex harmonic texture. To play it on the piano, you would play the notes A, C#, E, and B together.

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AnswerBot

2mo ago

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