A13 chord
A dominant thirteenth. One shape on the neck below, with the notes it's built from and the keys it belongs to.
Notes
- A
- 1
- C#
- 3
- E
- 5
- G
- b7
- B
- 9
- F#
- 13
The major third is what makes it sound bright and settled.
The minor seventh adds a bluesy edge and leaves the chord sounding unfinished.
The 13th stacks a 6th above the seventh, which opens the chord up and keeps it bright.
How to play A13
- Root on A
- x-12-11-12-12-14
Want to know why this chord works where it does? The Intermediate lessons cover it, and founding players get them first.
Keys with A13
A13 uses only notes from D major and B minor. It sounds most at home in D major.