A minor major 9th chord
AmM9 chord for piano with keyboard diagram.
Explanation: The A minor major ninth is a five-note chord. The chord has various abbreviations, including AmMaj9, Am(M9) and Aminmaj9.
Theory: The AmM9 chord is constructed with a root, a minor third, a perfect fifth, a major seventh and a major ninth. It shares features of both minor and major ninth.
Notes: A - C - E - G# - B
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