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Learn the C# Augmented 7th Chord on PianoC#aug7Augmented 7th

Raised 5th with b7

Chord Information

Learn how to play C#aug7 on piano

Notes in Chord

C#
F
A
B

Intervals

1
M3
A5
m7

Inversion

Notes (bottom to top): C#4 - F4 - A4 - B4

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 C#aug7 chord

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

How to Play C#aug7 on Piano

  1. Place your thumb on C#.
  2. Place your index finger on F.
  3. Place your middle finger on A.
  4. Place your pinky finger on B.
  5. Press all keys simultaneously to hear the C#aug7 chord.

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

C#aug7 Chord Inversions

The C#aug7 chord can be played in different inversions:

Root Position

C# - F - A - B (bass note: C#)

First Inversion

F - A - B - C# (bass note: F)

Second Inversion

A - B - C# - F (bass note: A)

Common Chord Progressions Using C#aug7

ii-V-I Jazz Progression

Common chord progression

D#m7C#aug7G#maj7

I-vi-ii-V Progression

Common chord progression

G#maj7Fm7D#m7C#aug7

Practice Tips for C#aug7

  • Start slowly and focus on pressing all keys simultaneously for a clean sound.
  • Practice transitioning between C#aug7 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#-F-A-B
Fingering1-2-3-5
Categoryseventh

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