Amaj13/C Guitar Chord

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

Finger Positions

Major
Amaj13/C diagram
Root Note A
Name A major thirteenth over C
Intervals 1P-3M-5P-7M-9M-13M
Relative Minor F#m
Notes C, A, C#, E, G#, B, F#
Aliases Amaj13, AMaj13, A^13

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
Major Bebop Lydian Bebop Major Ichikosucho Chromatic

* 6 scales found containing the notes C, A, C#, E, G#, B, F#.

Audio & MIDI Analysis

MIDI Numbers 60, 69, 61, 64, 68, 71, 66
Frequencies (Hz)

261.6255653005986, 440, 277.1826309768721, 329.6275569128699, 415.3046975799451, 493.8833012561241, 369.9944227116344