Finger Positions

Root Note F#

Name F# suspended second flat fifth over A#

Intervals 1P-2M-5d

Relative Minor D#m

Notes A#, F#, G#, C

Aliases

How to play the F#sus2b5/A# Chord

The F#sus2b5/A# is a fundamental suspended 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# suspended second flat fifth over A# is built using the 1P, 2M, 5d intervals. In the key of F# Major, this chord functions as the I chord.

Common Progressions

In music composition, the F#sus2b5/A# chord is often used to create tension or resolution.

I-V-vi-IV

F# → C# → D#m → B

vi-IV-I-V

D#m → B → F# → C#

The Diatonic Family

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

Triads

F# G#m A#m B C# D#m Fdim

7ths

F#maj7 G#m7 A#m7 Bmaj7 C#7 D#m7 Fm7b5

Scale Compatibility

View All Scales

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

Acoustic & Digital Analysis

Digital footprint of the F#sus2b5/A# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 66, 68, 60

Frequencies (Hz)

466.1637615180899, 369.9944227116344, 415.3046975799451, 261.6255653005986