Chord Information
Learn how to play C6 on piano
Notes in Chord
Intervals
Inversion
Notes (bottom to top): C4 - E4 - G4 - A4
Right Hand Fingering
3=middle, 4=ring, 5=pinky
Interactive Piano
Click the highlighted keys to play the C6 chord
About the C6 Chord
The C6 chord evokes the golden age of jazz and swing—a sound that's both sophisticated and warmly nostalgic. Built from C-E-G-A, this chord adds the major sixth to a major triad, creating a complete, settled sound that was the standard tonic chord before major sevenths became fashionable.
What makes C6 special is its stability with color. Unlike Cmaj7 (which has a dreamy, unresolved quality), C6 feels complete and grounded. The added A enriches the C major triad without creating the slight tension of the major seventh. This made C6 the preferred tonic chord in swing and early jazz.
On piano, C6's all-white-key voicing (C-E-G-A) is immediately accessible. The A sits comfortably above the triad, adding warmth without complexity. This simplicity made C6 a staple of cocktail piano and lounge music.
Music Theory & Usage
C6 functions as a sophisticated tonic in C major, providing more color than a plain triad without the dreaminess of Cmaj7. In swing and traditional jazz, C6 was the standard I chord. The chord also appears in country and Hawaiian music.
The 6th chord's settled quality makes it perfect for endings—songs often conclude on a 6 chord for a sense of warm completion.
Famous Songs Using C6
Hear how professional musicians use the C6 chord in these well-known songs:
“Take the A Train”
by Duke Ellington
Uses 6th chords throughout its swing arrangement
“Satin Doll”
by Duke Ellington
Features C6 in its sophisticated changes
“Fly Me to the Moon”
by Bart Howard
Contains 6th chords in its classic jazz harmony
“The Way You Look Tonight”
by Jerome Kern
Uses 6th chords for its warm sound
How to Play C6 on Piano
- Place your thumb on C.
- Place your index finger on E.
- Place your middle finger on G.
- Place your pinky finger on A.
- Press all keys simultaneously to hear the C6 chord.
Recommended fingering: 1-2-3-5 (right hand)
C6 Chord Inversions
The C6 chord can be played in different inversions:
Root Position
C - E - G - A (bass note: C)
First Inversion
E - G - A - C (bass note: E)
Second Inversion
G - A - C - E (bass note: G)
Common Chord Progressions Using C6
I-IV-V Progression
Common chord progression
I-V-vi-IV Progression
Common chord progression
Practice Tips for C6
- Start slowly and focus on pressing all keys simultaneously for a clean sound.
- Practice transitioning between C6 and other common chords to build muscle memory.
- Extended chords can be challenging - ensure each note rings clearly.
- Experiment with voicing variations by omitting the fifth or other notes for different textures.
Frequently Asked Questions about C6
What notes are in C6?
C6 contains C (root), E (major 3rd), G (perfect 5th), and A (major 6th). All white keys in a natural, comfortable voicing.
What's the difference between C6 and Cmaj7?
C6 (C-E-G-A) has the 6th; Cmaj7 (C-E-G-B) has the major 7th. C6 sounds complete and settled; Cmaj7 sounds dreamy and slightly unresolved. C6 was preferred in swing; Cmaj7 became standard in modern jazz.
Is C6 the same as Am7?
They share the same notes (C-E-G-A and A-C-E-G), but context determines the chord. If C is in the bass and functions as tonic, it's C6. If A is in the bass and functions as a minor chord, it's Am7. Same pitches, different functions.
When should I use C6 instead of C major?
Use C6 when you want warmth and sophistication without the modern jazz sound of Cmaj7. It's perfect for swing, standards, country, and endings. C6 says "classic" while Cmaj7 says "contemporary jazz."