Finger Positions

Root Note D

Name D minor double flat fifth over A#

Intervals 1P-3m-4P

Relative Minor Bm

Notes A#, D, F, G

Aliases

How to play the Dmbb5/A# Chord

The Dmbb5/A# is a fundamental unknown 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 D minor double flat fifth over A# is built using the 1P, 3m, 4P intervals. In the key of D Major, this chord functions as the I chord.

Common Progressions

In music composition, the Dmbb5/A# chord is often used to create tension or resolution.

I-V-vi-IV

D → A → Bm → G

vi-IV-I-V

Bm → G → D → A

The Diatonic Family

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

Triads

D Em F#m G A Bm C#dim

7ths

Dmaj7 Em7 F#m7 Gmaj7 A7 Bm7 C#m7b5

Scale Compatibility

View All Scales

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

Acoustic & Digital Analysis

Digital footprint of the Dmbb5/A# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 62, 65, 67

Frequencies (Hz)

466.1637615180899, 293.6647679174076, 349.2282314330039, 391.99543598174927