C6add9/C# Guitar Chord

The C sixth added ninth over C# is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
C6add9/C# diagram
Root Note C
Name C sixth added ninth over C#
Intervals 1P-3M-5P-6M-9M
Relative Minor Am
Notes C#, C, E, G, A, D
Aliases C6add9, C6/9, C69, CM69

Common Progressions Popular patterns using C

I-V-vi-IV

C → G → Am → F

vi-IV-I-V

Am → F → C → G

Diatonic Family (Triads)

C Dm Em F G Am Bdim

Diatonic Family (7ths)

Cmaj7 Dm7 Em7 Fmaj7 G7 Am7 Bm7b5

Scale Compatibility

View All Scales
Major Major Blues Bebop Lydian Mixolydian Lydian Dominant Bebop Minor Bebop Major Ichikosucho Composite Blues Chromatic

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

Audio & MIDI Analysis

MIDI Numbers 61, 60, 64, 67, 69, 62
Frequencies (Hz)

277.1826309768721, 261.6255653005986, 329.6275569128699, 391.99543598174927, 440, 293.6647679174076