Finger Positions

Root Note F#

Name F# over B

Intervals 1P-3M-5A-7m

Relative Minor D#m

Notes B, F#, A#, D, E

Aliases F#7#5, F#+7, F#7+, F#7aug, F#aug7

How to play the F#aug7/B Chord

The F#aug7/B 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 F# over B is built using the 1P, 3M, 5A, 7m intervals. In the key of F# Major, this chord functions as the I chord.

Common Progressions

In music composition, the F#aug7/B 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

Whole Tone Pentatonic Mystery #1 Whole Tone Locrian Major Altered Mixolydian B6 Leading Whole Tone Lydian Minor Phrygian Dominant Enigmatic Spanish Heptatonic Messiaen's Mode #6 Messiaen's Mode #3 Chromatic

* 14 scales found containing the notes B, F#, A#, D, E.

Acoustic & Digital Analysis

Digital footprint of the F#aug7/B chord for MIDI programming and synthesizer sound design.

MIDI Numbers 71, 66, 70, 62, 64

Frequencies (Hz)

493.8833012561241, 369.9944227116344, 466.1637615180899, 293.6647679174076, 329.6275569128699