Finger Positions

A#m11/C# diagram
Root Note A#
Name A# minor eleventh over C#
Intervals 1P-3m-5P-7m-9M-11P
Relative Minor Gm
Notes A#, C#, F, G#, C, D#
Aliases A#m11, A#-11

How to play the A#m11/C# Chord

The A#m11/C# is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the A# minor eleventh over C# is built using the 1P, 3m, 5P, 7m, 9M, 11P intervals. In the key of A# Major, this chord functions as the I chord.

Common Progressions

In music composition, the A#m11/C# chord is often used to create tension or resolution.

I-V-vi-IV

A# → F → Gm → D#

vi-IV-I-V

Gm → D# → A# → F

The Diatonic Family

Understanding the "family" of chords that belong to A# helps with transposition and ear training.

Triads

A# Cm Dm D# F Gm Adim

7ths

A#maj7 Cm7 Dm7 D#maj7 F7 Gm7 Am7b5

Scale Compatibility

View All Scales
Minor Dorian Bebop Minor Minor Bebop Composite Blues Chromatic

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

Acoustic & Digital Analysis

Digital footprint of the A#m11/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 61, 65, 68, 60, 63
Frequencies (Hz)

466.1637615180899, 277.1826309768721, 349.2282314330039, 415.3046975799451, 261.6255653005986, 311.1269837220809