Finger Positions

Root Note C

Name C sixth over C#

Intervals 1P-3M-5P-6M

Relative Minor Am

Notes C#, C, E, G, A

Aliases C6, Cadd6, Cadd13, CM6

How to play the C6/C# Chord

The C6/C# is a fundamental major chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the C sixth over C# is built using the 1P, 3M, 5P, 6M intervals. In the key of C Major, this chord functions as the I chord.

Common Progressions

In music composition, the C6/C# chord is often used to create tension or resolution.

I-V-vi-IV

C → G → Am → F

vi-IV-I-V

Am → F → C → G

The Diatonic Family

Understanding the "family" of chords that belong to C helps with transposition and ear training.

Triads

C Dm Em F G Am Bdim

7ths

Cmaj7 Dm7 Em7 Fmaj7 G7 Am7 Bm7b5

Scale Compatibility

View All Scales

Major Pentatonic Major Major Blues Bebop Lydian Mixolydian Scriabin Lydian Dominant Hungarian Major Lydian #9 Bebop Minor Bebop Major Ichikosucho Half-Whole Diminished Kafi Raga

* 15 scales found containing the notes C#, C, E, G, A.

Acoustic & Digital Analysis

Digital footprint of the C6/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 60, 64, 67, 69

Frequencies (Hz)

277.1826309768721, 261.6255653005986, 329.6275569128699, 391.99543598174927, 440