4 3 1 1 1 4
Ab major
Notes: Ab · C · Eb
Also spelled G# major
Triads
Suspended
Sevenths
Extensions
Common shapes (4)
4 6 6 5 4 4
x x 6 8 9 8
x 11 10 8 9 8
Other shapes (18)
Showing 12 of 18
4 3 1 1 x x
x x 6 5 4 4
4 6 6 5 x x
4 3 x 5 4 x
4 x 1 1 1 x
4 3 1 x 1 x
4 3 x 1 4 x
4 3 1 x 4 x
4 3 1 1 1 x
4 x 6 5 4 x
4 6 x 5 4 x
4 3 6 x 4 x
About Ab major
The notes of Ab major are Ab (root), C (major third) and Eb (perfect fifth). Its interval formula is 1 – 3 – 5. It is a major chord: it sounds stable and bright, and it is the foundation of most chord progressions.
On guitar, Ab major has 4 common shapes: the G, E, D and C shapes. These are CAGED system shapes, the basis for playing the same chord anywhere on the neck. The viewer also shows 18 more voicings, from easiest to hardest. Ab major is also written as G# major: the same chord with the root spelled differently, and it sounds identical. The more common spelling is Ab major.