Space plays and stops
- Left hand
- A2C3E3A3
- Family
- Triads
The Doubled Root voicing of Am stacks A, C, E and A from the bottom up: the root, minor 3rd, 5th and root of the chord.
It's one of the Triads voicings. The others for Am are Root Inversion, 1st Inversion and 2nd Inversion.