A#7#9/C Guitar Chord

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

Finger Positions

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

Common Progressions Popular patterns using A#

I-V-vi-IV

A# → F → Gm → D#

vi-IV-I-V

Gm → D# → A# → F

Diatonic Family (Triads)

A# Cm Dm D# F Gm Adim

Diatonic Family (7ths)

A#maj7 Cm7 Dm7 D#maj7 F7 Gm7 Am7b5

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 C, A#, D, F, G#, C#.

Audio & MIDI Analysis

MIDI Numbers 60, 70, 62, 65, 68, 61
Frequencies (Hz)

261.6255653005986, 466.1637615180899, 293.6647679174076, 349.2282314330039, 415.3046975799451, 277.1826309768721