Major add 9 e.g. Ab add9

(4-4-5)

Key C

C Eb Ab Bb

Triads in Scale: Ab

Key G

G Bb Eb F

Triads in Scale: Eb

Key D

D F Bb C

Triads in Scale: Bb

Key A

A C F G

Triads in Scale: F

Key E

E G C D

Triads in Scale: C

Key B

B D G A

Triads in Scale: G

Key F#

F# A D E

Triads in Scale: D

Key F

F Ab Db Eb

Triads in Scale: Db

Key Bb

Bb Db Gb Ab

Triads in Scale: Gb

Key Eb

Eb Gb Cb Db

Triads in Scale: Cb

Key Ab

Ab Cb Fb Gb

Triads in Scale: Fb

Key Db

Db Fb Bbb Cb

Triads in Scale: Bbb

Key Gb

Gb Bbb Ebb Fb

Triads in Scale: Ebb