Finger Positions

A#mmaj9/D# diagram
Root Note A#
Name A# minor maj9 over D#
Intervals 1P-3M-5P-9M
Relative Minor Gm
Notes D#, A#, D, F, C
Aliases

How to play the A#mmaj9/D# Chord

The A#mmaj9/D# is a fundamental major 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 maj9 over D# is built using the 1P, 3M, 5P, 9M intervals. In the key of A# Major, this chord functions as the I chord.

Common Progressions

In music composition, the A#mmaj9/D# chord is often used to create tension or resolution.

I-V-vi-IV

vi-IV-I-V

The Diatonic Family

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

Scale Compatibility

View All Scales

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

Acoustic & Digital Analysis

Digital footprint of the A#mmaj9/D# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 63, 70, 62, 65, 60
Frequencies (Hz)

311.1269837220809, 466.1637615180899, 293.6647679174076, 349.2282314330039, 261.6255653005986