A7/C# Guitar Chord

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

Finger Positions

Dominant
A7/C# diagram
Root Note A
Name A dominant seventh over C#
Intervals 1P-3M-5P-7m
Relative Minor F#m
Notes A, C#, E, G
Aliases A7, Adom

Common Progressions Popular patterns using A

I-V-vi-IV

A → E → F#m → D

vi-IV-I-V

F#m → D → A → E

Diatonic Family (Triads)

A Bm C#m D E F#m G#dim

Diatonic Family (7ths)

Amaj7 Bm7 C#m7 Dmaj7 E7 F#m7 G#m7b5

Scale Compatibility

View All Scales
Bebop Mixolydian Mixolydian Pentatonic Lydian Dominant Pentatonic Mixolydian B6 Lydian Dominant Lydian Minor Phrygian Dominant Hungarian Major Flamenco Spanish Heptatonic Bebop Minor Half-Whole Diminished Kafi Raga Composite Blues

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

Audio & MIDI Analysis

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

440, 277.1826309768721, 329.6275569128699, 391.99543598174927