Finger Positions

Fmbb5/A# diagram
Root Note F
Name F minor double flat fifth over A#
Intervals 1P-3m-4P
Relative Minor Dm
Notes A#, F, Ab, Bb
Aliases

How to play the Fmbb5/A# Chord

The Fmbb5/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 F minor double flat fifth over A# is built using the 1P, 3m, 4P intervals. In the key of F Major, this chord functions as the I chord.

Common Progressions

In music composition, the Fmbb5/A# 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 F helps with transposition and ear training.

Scale Compatibility

View All Scales

* 0 scales found containing the notes A#, F, Ab, Bb.

Acoustic & Digital Analysis

Digital footprint of the Fmbb5/A# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 65, 68, 70
Frequencies (Hz)

466.1637615180899, 349.2282314330039, 415.3046975799451, 466.1637615180899