Cadd9

Tetrad (four-note chord) rooted on C（Chord Tones: C, E, G, D）

Cadd9 Chord

Chord Tones

Interval	Note
Perfect 1st	C
Major 3rd	E
Perfect 5th	G
Major 9th	D

Compatible Scales

C を基準としたスケール

Major (Ionian) Lydian Mixolydian Lydian Dominant Harmonic Major Bebop Dominant Bebop Major Pentatonic Major Major Blues Lydian b7 (Dominant) Mongolian Chromatic

Piano position

Staff notation

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Cmaj6

＋ Aliases

C6

C69

Cmaj7

＋ Aliases

CM7

Cmaj9

Cmaj11

Cmaj13

Cmaj7#11

Cmaj7b5

Cmaj7#5

Cm

＋ Aliases

Cmin

Cm6

Cm7

＋ Aliases

Cmin7

Cm9

Cm11

Cm13

CmMaj7

＋ Aliases

Cmmaj7 CminMaj7

Cmadd9

C7

＋ Aliases

C7alt

C9

C11

C13

C7b9

C7#9

C7b5

C7#5

C7b11

C7#11

C7b13

C7#13

C7b9b5

C7b9#5

C7#9#5

C13#11

C13#9

C13b9

C13b5

C13#5

C13#9#11

C13b9#11

C13b9b5

C13b9#5

C13#9b5

C13#9#5

Csus

＋ Aliases

Csus4

Csus2

C7sus

＋ Aliases

C7sus4

C9sus

Cdim

＋ Aliases

C° Co C0

Cdim7

＋ Aliases

Co7 C07 Cø7 CØ7

Cø

＋ Aliases

CØ Cm7b5

CØ9

Cm#5

＋ Aliases

Caug C+

Cadd9

Cadd11

C5