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C9 Piano Chord

C9 for Piano has the notes C E G Bb D. Listen to it and learn about its interval structure: R 3 5 m7 9.

C9 Chord

Full name: C ninth
AKA: C7(add9) C7/9
Piano sound:

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Charts Inversions Structure Related chords Chord on other instruments Related scales Chord staff Summary table References Adjust notes

C9 Piano Chord Charts

Piano chord chart
C9 Piano chord chart

C9 Inversions on piano

$C9\E piano chord$

$C9\G piano chord$

$C9\Bb piano chord$

$C9\D piano chord$

C9 Chord Structure

Notes: C E G Bb D
Interval structure: R 3 5 m7 9

Chord construction:
R = C
C + major interval = E (scale degree = 3rd)
E + minor interval = G (scale degree = 5th)
G + minor interval = Bb (scale degree = minor 7th)
Bb + major interval = D (scale degree = 9th)

C9\G ;

C9 on other instruments

C9 piano

C9 guitar

C9 ukulele
C9 ukulele chord

C9 mandolin
C9 mandolin chord

C9 banjo

Scales Related to C9

Scales that include all of the notes of C9.
F major F melodic minor G melodic minor F ionian D natural minor G dorian A phrygian A#/Bb lydian C mixolydian D aeolian E locrian G#/Ab leading whole tone C overtone A#/Bb overtone E altered F#/Gb altered F#/Gb enigmatic C#/Db dorian b2 B dorian b2 G#/Ab augmented lydian

C9 chord staff

C9 summary table

Piano chord name	C9 (C ninth)
Piano sound
Notes and structure	C E G Bb D (R 3 5 m7 9)
Related Chords	C9\G ;
Chord Categories	is 7 (dom7) with added 9th 9th chord
Other Notations	C7(add9) C7/9
Chord Construction	R = C C + major interval = E (scale degree = 3rd) E + minor interval = G (scale degree = 5th) G + minor interval = Bb (scale degree = minor 7th) Bb + major interval = D (scale degree = 9th)
C9 on other instruments	C9 piano C9 guitar C9 ukulele C9 mandolin C9 banjo

Tweak notes of C9

C#
Db

D#
Eb

F#
Gb

G#
Ab

A#
Bb