F# 7♯9
Notes:F# – A# – C# – E – A
Formula:R-M3-P5-m7-A9
Intervals:P1-M3-P5-m7-A9
Scale Degrees:1-3-5-b7-#9
Introduction
The F# 7♯9 piano chord (F#7♯9) consists of the notes F#, A#, C#, E, A. Formula: R-M3-P5-m7-A9 | Scale degrees: 1-3-5-b7-#9.
Enharmonic equivalent: F♯ is enharmonically equivalent to G♭. See Gb 7♯9.
Notes
F# 7♯9 Inversions
| Position | Notes |
|---|---|
| Root Position | F#4 – A#4 – C#5 – E5 – A5 |
| 1st Inversion | A#4 – C#5 – E5 – A5 – F#6 |
| 2nd Inversion | C#4 – E4 – A4 – F#5 – A#5 |
Key Signature
The key of F# 7♯9 has 6 sharps: F♯, C♯, G♯, D♯, A♯, E♯.
F♯C♯G♯D♯A♯E♯
Theory: Intervals
Formula: R-M3-P5-m7-A9
Intervals: P1-M3-P5-m7-A9
The F# 7♯9 is built by stacking intervals from the root note. The formula R-M3-P5-m7-A9 describes the scale degrees used. The intervals P1-M3-P5-m7-A9 show the distance between each note in the chord.
F# 7♯9 — Frequently Asked Questions
What notes are in the F# 7♯9 chord?
The F# 7♯9 chord (F#7♯9) contains 5 notes: F#, A#, C#, E, A. Formula: R-M3-P5-m7-A9.
How is F#7♯9 used in music?
F#7♯9 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♯9?
F#7♯9 uses scale degrees 1-3-5-b7-#9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on F# and spacing remaining fingers across the chord.
- Practice F#7♯9 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing F#7♯9 in different octaves to find the most comfortable position.
- Resolve F#7♯9 to a nearby chord to hear its function in context.