Am9 chord
A minor ninth. One shape on the neck below, with the notes it's built from and the keys it belongs to.
Notes
- A
- 1
- C
- b3
- E
- 5
- G
- b7
- B
- 9
The minor third is what makes it sound sad or dark.
The minor seventh adds a bluesy edge and leaves the chord sounding unfinished.
The 9th adds color on top without changing whether it's major or minor.
How to play Am9
- Root on A
- x-12-10-12-12-x
Want to know why this chord works where it does? The Intermediate lessons cover it, and founding players get them first.
Keys with Am9
Am9 uses only notes from A minor, E minor, C major and G major. It sounds most at home in A minor.