F# 7♭5
Notes:F# – A# – C – E
Formula:R-M3-d5-m7
Intervals:P1-M3-d5-m7
Scale Degrees:1-3-b5-b7
Introduction
The F# 7♭5 piano chord (F#7♭5) consists of the notes F#, A#, C, E. Formula: R-M3-d5-m7 | Scale degrees: 1-3-b5-b7.
Enharmonic equivalent: F♯ is enharmonically equivalent to G♭. See Gb 7♭5.
Notes
F# 7♭5 Inversions
| Position | Notes |
|---|---|
| Root Position | F#4 – A#4 – C5 – E5 |
| 1st Inversion | A#4 – C5 – E5 – F#5 |
| 2nd Inversion | C4 – E4 – F#4 – A#4 |
| 3rd Inversion | E4 – F#4 – A#4 – C5 |
Key Signature
The key of F# 7♭5 has 6 sharps: F♯, C♯, G♯, D♯, A♯, E♯.
F♯C♯G♯D♯A♯E♯
Theory: Intervals
Formula: R-M3-d5-m7
Intervals: P1-M3-d5-m7
The F# 7♭5 is built by stacking intervals from the root note. The formula R-M3-d5-m7 describes the scale degrees used. The intervals P1-M3-d5-m7 show the distance between each note in the chord.
F# 7♭5 — Frequently Asked Questions
What notes are in the F# 7♭5 chord?
The F# 7♭5 chord (F#7♭5) contains 4 notes: F#, A#, C, E. Formula: R-M3-d5-m7.
How is F#7♭5 used in music?
F#7♭5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for F#7♭5?
F#7♭5 uses scale degrees 1-3-b5-b7, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on F# and spacing remaining fingers across the chord.
- Practice F#7♭5 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing F#7♭5 in different octaves to find the most comfortable position.
- Resolve F#7♭5 to a nearby chord to hear its function in context.