Notes in F♯7
The F♯7 chord contains 4 notes: F♯, B♭, C♯, E
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | F♯ | Root |
| 3 | 4 | B♭ | Major 3rd |
| 5 | 7 | C♯ | Perfect 5th |
| ♭7 | 10 | E | Minor 7th |
About F♯ Dominant 7th Chords
Dominant 7th chords add a flatted 7th to a major triad, creating tension that wants to resolve. They're the backbone of blues, jazz, funk, and rock. In a standard key, the dominant 7th chord built on the 5th degree naturally resolves to the I chord.
Compatible Scales & Modes
These scales contain all the notes of F♯7 and can be used for soloing, improvising, and writing melodies over this chord.
EXPLORE MODES
Playing F# dominant seventh on Guitar
The F# dominant seventh chord, spelled F♯, B♭, C♯, E, occupies a specific harmonic role that depends on the musical context. In the key of F# major and Gb major enharmonically, this chord can function as a primary harmony or as a passing color depending on where it appears in the progression. Understanding which scale degrees produce F#-rooted chords helps you predict chord progressions and improvise melodies that complement the harmony.
On guitar, F# dominant seventh voicings benefit from second-fret barre positions derived from open E shapes. The physical shape of this chord on the fretboard determines its tonal character — the same notes arranged in different voicings produce noticeably different sounds due to string gauge, fret position, and overtone content. Experiment with playing F# dominant seventh in multiple positions to find the voicing that best fits the register and texture of the music you are working on.
The F# dominant seventh creates harmonic tension through its minor seventh interval. This tension naturally resolves down a fifth, making F#7 the strongest pull toward the chord a fifth below it. This V-to-I resolution is the engine driving most Western harmonic progressions.
When practicing F# dominant seventh, use the compatible scales listed above to improvise melodies and riffs. Start by playing the chord, then explore the scale tones one at a time to hear how each note sounds against the harmony. This ear training exercise connects your theoretical knowledge of F#-rooted chords to practical musicianship skills that improve your playing across all genres and styles.