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Aliases: Cmaj7#5Cmaj7+5

C augmented 7th Chord

Below you can find chord diagrams, piano fingerings, guitar fingering, notes, intervals, scales, and arpeggios.

Audible Example

What does a C augmented 7th chord sound like?

C augmented 7th chord

Piano Fingering

How do you play a C augmented 7th chord on the piano?

C
E
G#
B
💡 Tap the keys to hear each note

Guitar Fingering

How do you play a C augmented 7th chord on the guitar?

EADGBE4123X
E
B
G
D
A
E
C
G#
E
B
C
G#
B
G#
E
C
G#
B
E
B
C
C
G#
E
B
C
G#
E
B
E
💡 Tap the notes to hear each note

About the C augmented 7th chord

An augmented 7th chord combines the tension of an augmented triad with a minor seventh, creating a highly unstable and colorful sound. It is often used as a dominant chord with an altered fifth, adding extra chromatic tension before resolving. This chord appears frequently in jazz and gospel music.

Notes

What notes are in a C augmented 7th chord?

C - E - G# - B

Intervals

What intervals are in a C augmented 7th chord?

Root Note

Major 3rd

Major 7th

Scales

What scales does a C augmented 7th chord fit in?

E

E harmonic major

- E double harmonic major

A

A harmonic minor

- A melodic minor

- A hungarian minor