A#/C Guitar Chord

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

Finger Positions

Major
A#/C diagram
Root Note A#
Name A# major over C
Intervals 1P-3M-5P
Relative Minor Gm
Notes C, A#, D, F
Aliases A#M, A#^, A#, A#maj

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
Major Pentatonic Major Major Blues Bebop Lydian Mixolydian Ionian Pentatonic Mixolydian Pentatonic Lydian Pentatonic Flat Six Pentatonic Scriabin Lydian Dominant Pentatonic Augmented Double Harmonic Lydian Mixolydian B6

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

Audio & MIDI Analysis

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

261.6255653005986, 466.1637615180899, 293.6647679174076, 349.2282314330039