Chord Structures

Major : 1,3,5 plus 7,9

Minor: 1,b3,5 plus b7,9

Dom7: 1,3,5,b7 plus 9,11,13

Dim: 1,b3,b5 plus bb7

Aug: 1,3,#5

Alterations

Major: Sharp / Flat 5ths

Minor: Flat 5ths

Dominant: Sharp/Flat 5ths and 9ths

Chord Test

F A C E : Fmaj7

G Bb D F: Gm7

D Gb A C: Dmaj7

G B D F: Gmaj7

A C Eb Ab: Adim7

Db F Ab C: Dbmaj7

A Db E Ab: Amaj7

Bb D F Ab: Bbmaj7

E G B D: Em7