C#add9/A# Guitar Chord

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

Finger Positions

Dominant
C#add9/A# diagram
Root Note C#
Name C# over A#
Intervals 1P-3M-5P-9M
Relative Minor A#m
Notes A#, C#, F, G#, D#
Aliases C#Madd9, C#2, C#add9, C#add2

Common Progressions Popular patterns using C#

I-V-vi-IV

C# → G# → A#m → F#

vi-IV-I-V

A#m → F# → C# → G#

Diatonic Family (Triads)

C# D#m Fm F# G# A#m Cdim

Diatonic Family (7ths)

C#maj7 D#m7 Fm7 F#maj7 G#7 A#m7 Cm7b5

Scale Compatibility

View All Scales
Major Pentatonic Major Major Blues Bebop Lydian Mixolydian Flat Six Pentatonic Mixolydian B6 Lydian Dominant Lydian Minor Harmonic Major Bebop Minor Bebop Major Ichikosucho Composite Blues

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

Audio & MIDI Analysis

MIDI Numbers 70, 61, 65, 68, 63
Frequencies (Hz)

466.1637615180899, 277.1826309768721, 349.2282314330039, 415.3046975799451, 311.1269837220809