A 9th Piano Chord
Notes: A - C# - E - G - B
Formula: 1 - 3 - 5 - ♭7 - 9
Intervals: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th
A9
Keys to Play
White keys: A, E, G, B
Black keys: C#
Play all 5 notes simultaneously with your right hand.
About 9th Chords
A dominant 7th chord with an added 9th. 9th chords sound rich and funky, essential in funk, R&B, jazz, and blues. They add more color than a basic 7th chord.