Major add 9 e.g. F add9

(4-4-2)

Key C

C F G A

Triads in Scale: F

Key G

G C D E

Triads in Scale: C

Key D

D G A B

Triads in Scale: G

Key A

A D E F#

Triads in Scale: D

Key E

E A B C#

Triads in Scale: A

Key B

B E F# G#

Triads in Scale: E

Key F#

F# B C# D#

Triads in Scale: B

Key F

F Bb C D

Triads in Scale: Bb

Key Bb

Bb Eb F G

Triads in Scale: Eb

Key Eb

Eb Ab Bb C

Triads in Scale: Ab

Key Ab

Ab Db Eb F

Triads in Scale: Db

Key Db

Db Gb Ab Bb

Triads in Scale: Gb

Key Gb

Gb Cb Db Eb

Triads in Scale: Cb