CHORD EXTENSION CHART (#9) (#11) b7 7 b9 b3 b5 #5 b7 7

C D E F G A B C D E F G A B C D E F G A B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (R) (9) (11) (13) (bb7) Chord Symbol (chord type) Formula Notes (in the key of C) C (major) 1 3 5 C E G Cm (minor) 1 b3 5 C Eb G Csus4 (suspended 4th) 1 4 5 C F G Csus9 (suspended 9th) 1 9 5 C D G (Csus2) (the same as Csus9) 1 2 5 C D G Csus4/9 (sus4/9th) 1 9 4 C D F Cmaj(sus9) (major sus9th) 9 3 5 D E G Cm(sus9) (minor sus9th) 9 b3 5 D Eb G Csus4/6 (aka: F/C) 6 1 4 A C F C(5) (power 5th) or C(no 3rd) 1 5 C G C6 (major 6th) 1 3 6 C E A Cm6 (minor 6th) 1 b3 6 C Eb A C7 (dominant 7th) b7 1 3 5 Bb C E G Cm7 (minor 7th) b7 1 b3 5 Bb C Eb G C∆7 (major 7th) 7 1 3 5 B C E G Cm(∆7) (minor w/ major 7th) 1 b3 5 7 C Eb G B C+5 (augmented) 1 3 #5 C E G# C° (diminished 7th) 1 b3 b5 bb7 C Eb Gb Bbb (or A) Cm-5 (minor flat 5th) 1 b3 b5 C Eb Gb C∅ (half-diminished 7th) 1 b3 b5 b7 C Eb Gb Bb Cm7-5 (minor 7th flat 5th) b7 1 b3 b5 Bb C Eb Gb C9 (9th) b7 9 3 5 Bb D E G Cm9 (minor 9th) b7 9 b3 5 Bb D Eb G C∆9 (major 9th) 7 9 3 5 B D E G C7-9 (C7b9) (7th flat 9th) b7 b9 3 5 Bb Db E G C11 (11th) [also: Bb6/C] b7 9 4 5 Bb D F G C13 (13th) b7 9 3 13 Bb D E A Cm13 (minor 13th) b7 9 b3 13 Bb D Eb A C∆13 (major 13th) 7 9 3 13 B D E A C13#11 (13th sharp 11th) b7 9 #11 13 Bb D F# A C(add9) (aka: C(add2) 1 9 3 5 C D E G C7#9 (7th sharp 9th) 3 b7 1 #9 E Bb C D#

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