C7#9/A Guitar Chord

The C dominant sharp ninth over A is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
C7#9/A diagram
Root Note C
Name C dominant sharp ninth over A
Intervals 1P-3M-5P-7m-9A
Relative Minor Am
Notes A, C, E, G, Bb, D#
Aliases C7#9

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
Hungarian Major Flamenco Spanish Heptatonic Bebop Minor Half-Whole Diminished Kafi Raga Composite Blues Messiaen's Mode #3 Chromatic

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

Audio & MIDI Analysis

MIDI Numbers 69, 60, 64, 67, 70, 63
Frequencies (Hz)

440, 261.6255653005986, 329.6275569128699, 391.99543598174927, 466.1637615180899, 311.1269837220809