F# Dominant 7th Guitar Chord — Drop B
Guitar chord voicings in Drop B tuning (B-F#-B-E-G#-C#)
F# Dominant 7th Voicings in Drop B
F# Dominant 7th filtered by fret:
F# Dominant 7th in Drop B Tuning — Guide
The F# Dominant 7th chord is made up of the following notes: F#, A#, C#, E.
Intervals: 1P, 3M, 5P, 7m.
The F# Dominant 7th chord in Drop B tuning (B-F#-B-E-G#-C#) requires different fingerings than standard tuning.
The F# dominant seventh chord adds a minor seventh to a major triad, creating a four-note structure with intervals 1P, 3M, 5P, 7m and notes F#, A#, C#, E. This tension between the major third and the minor seventh gives dominant sevenths their restless, bluesy character — they want to resolve. They are the driving force behind blues progressions, jazz turnarounds, and classical cadences where harmonic motion demands forward momentum.
How to Play F# Dominant 7th
On guitar, F# 7 is most commonly played as a barre chord. The E-shape barre at fret 6 or the A-shape barre provide the two most practical voicings. Mastering barre chord technique unlocks this chord in every position along the neck, giving you freedom to play in any key.
F# Dominant 7th in Progressions
F# dominant seventh most commonly functions as the V7 in B major or B minor, creating a strong pull toward resolution. It also serves as the I7 in F# blues progressions and as a secondary dominant targeting other chords in a key.
Common Substitutions
F#9, F#13, or the tritone substitute C7 all work as alternatives, keeping the dominant function intact.
Difficulty: On guitar, this chord typically requires a barre — intermediate difficulty, but essential for playing in sharp keys.