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Learn the C Augmented 7th Chord on PianoCaug7Augmented 7th

Raised 5th with b7

Chord Information

Learn how to play Caug7 on piano

Notes in Chord

C
E
G#
Bb

Intervals

1
M3
A5
m7

Inversion

Notes (bottom to top): C4 - E4 - G#4 - Bb4

Right Hand Fingering

Fingers: 1-2-3-5
1=thumb, 2=index
3=middle, 4=ring, 5=pinky

Interactive Piano

Click the highlighted keys to play the Caug7 chord

Click any key to load sounds
C
D
E
F
G
A
B
C#
D#
F#
G#
A#

How to Play Caug7 on Piano

  1. Place your thumb on C.
  2. Place your index finger on E.
  3. Place your middle finger on G#.
  4. Place your pinky finger on Bb.
  5. Press all keys simultaneously to hear the Caug7 chord.

Recommended fingering: 1-2-3-5 (right hand)

Caug7 Chord Inversions

The Caug7 chord can be played in different inversions:

Root Position

C - E - G# - Bb (bass note: C)

First Inversion

E - G# - Bb - C (bass note: E)

Second Inversion

G# - Bb - C - E (bass note: G#)

Common Chord Progressions Using Caug7

ii-V-I Jazz Progression

Common chord progression

Dm7Caug7Gmaj7

I-vi-ii-V Progression

Common chord progression

Gmaj7Em7Dm7Caug7

Practice Tips for Caug7

  • Start slowly and focus on pressing all keys simultaneously for a clean sound.
  • Practice transitioning between Caug7 and other common chords to build muscle memory.
  • Listen carefully to how the seventh interval creates tension and color in the chord.
  • Practice resolving this chord to its natural target chords in progressions.

Quick Reference

Root NoteC
Qualityaugmented7
NotesC-E-G#-Bb
Fingering1-2-3-5
Categoryseventh

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