B 7♭9
Notes:B – D# – F# – A – C
Formula:R-M3-P5-m7-m9
Intervals:P1-M3-P5-m7-m9
Scale Degrees:1-3-5-b7-b9
Introduction
The B 7♭9 piano chord (B7♭9) consists of the notes B, D#, F#, A, C. Formula: R-M3-P5-m7-m9 | Scale degrees: 1-3-5-b7-b9.
Notes
B 7♭9 Inversions
| Position | Notes |
|---|---|
| Root Position | B4 – D#5 – F#5 – A5 – C6 |
| 1st Inversion | D#4 – F#4 – A4 – C5 – B5 |
| 2nd Inversion | F#4 – A4 – C5 – B5 – D#6 |
Key Signature
The key of B 7♭9 has 5 sharps: F♯, C♯, G♯, D♯, A♯.
F♯C♯G♯D♯A♯
Theory: Intervals
Formula: R-M3-P5-m7-m9
Intervals: P1-M3-P5-m7-m9
The B 7♭9 is built by stacking intervals from the root note. The formula R-M3-P5-m7-m9 describes the scale degrees used. The intervals P1-M3-P5-m7-m9 show the distance between each note in the chord.
B 7♭9 — Frequently Asked Questions
What notes are in the B 7♭9 chord?
The B 7♭9 chord (B7♭9) contains 5 notes: B, D#, F#, A, C. Formula: R-M3-P5-m7-m9.
How is B7♭9 used in music?
B7♭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 B7♭9?
B7♭9 uses scale degrees 1-3-5-b7-b9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on B and spacing remaining fingers across the chord.
- Practice B7♭9 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing B7♭9 in different octaves to find the most comfortable position.
- Resolve B7♭9 to a nearby chord to hear its function in context.