F♯7 Chord
Dominant 7th chords have a tense, unresolved quality that strongly wants to resolve down a fifth to the tonic. They are the cornerstone of blues harmony and appear in every style from jazz to gospel to rock.
Notes in F♯7
The F♯7 dominant 7th chord contains F♯ — B♭ — C♯ — E. It is built from the following intervals above the root:
| Degree | Interval name | Note |
|---|---|---|
| 1 | Root | F♯ |
| 3 | Major third | B♭ |
| 5 | Perfect fifth | C♯ |
| ♭7 | Minor seventh | E |
Interval formula: root (1) — major third (3) — perfect fifth (5) — minor seventh (♭7) (0, 4, 7, 10 semitones).
Sound and Character
Dominant 7th chords have a tense, unresolved quality that strongly wants to resolve down a fifth to the tonic. They are the cornerstone of blues harmony and appear in every style from jazz to gospel to rock. The F♯7 dominant 7th is built on the same root as F♯ major, with the addition of the ♭7th degree (E). That single added note creates the defining tension of the dominant 7th chord.
Key Function
F♯7 functions as the dominant chord (V7) resolving to D# major or F# minor. The V7 chord in any major or minor key. In blues, every chord in a 12-bar blues is played as a dominant 7th (I7, IV7, V7), which is the defining characteristic of the blues sound.
Famous Songs Featuring F♯7
- "F# major guitar anthem sections"
- "The Chain" – Fleetwood Mac (F# chord)
Voicing Tips
On piano: try the rootless voicing (3rd and ♭7th only) common in jazz — this creates space for the bass. On guitar: dominant 7th shapes are compact and sit naturally in 1st position. Open the MusoKit chord finder to see F♯7 on piano, guitar, and ukulele with audio playback — compare voicings across instruments to find the one that fits your playing style.
FAQs
What notes are in the F♯7 chord?
The F♯7 dominant 7th chord contains: F♯ — B♭ — C♯ — E. The intervals are root (1) — major third (3) — perfect fifth (5) — minor seventh (♭7).
What key is the F♯7 chord in?
F♯7 functions as the dominant chord (V7) resolving to D# major or F# minor.
How do you play F♯7 on guitar?
Open the chord finder to see common guitar voicings for F♯7. F♯7 is available in multiple positions — the chord finder shows the most practical shapes for each instrument.
What is the difference between F♯ major and F♯7?
The F♯7 dominant 7th is built on the same root as F♯ major, with the addition of the ♭7th degree (E). That single added note creates the defining tension of the dominant 7th chord.
What chords go well with F♯7?
Chords from the same key sound most natural alongside F♯7. Use the scale explorer to explore the full set of diatonic chords in the keys where F♯7 appears, and the circle of fifths to find harmonically adjacent chords.