B 9♭5

Notes:B – D# – F – A – C#
Formula:R-M3-d5-m7-M9
Intervals:P1-M3-d5-m7-M9
Scale Degrees:1-3-b5-b7-9

Introduction

The B 9♭5 piano chord (B9♭5) consists of the notes B, D#, F, A, C#. Formula: R-M3-d5-m7-M9 | Scale degrees: 1-3-b5-b7-9.

Notes

Notes:B – D# – F – A – C#

B 9♭5 Inversions

PositionNotes
Root PositionB4 – D#5 – F5 – A5 – C#6
1st InversionD#4 – F4 – A4 – C#5 – B5
2nd InversionF4 – A4 – C#5 – B5 – D#6

Key Signature

The key of B 9♭5 has 5 sharps: F♯, C♯, G♯, D♯, A♯.

FCGDA

Theory: Intervals

Formula: R-M3-d5-m7-M9
Intervals: P1-M3-d5-m7-M9

The B 9♭5 is built by stacking intervals from the root note. The formula R-M3-d5-m7-M9 describes the scale degrees used. The intervals P1-M3-d5-m7-M9 show the distance between each note in the chord.

B 9♭5 — Frequently Asked Questions

What notes are in the B 9♭5 chord?

The B 9♭5 chord (B9♭5) contains 5 notes: B, D#, F, A, C#. Formula: R-M3-d5-m7-M9.

How is B9♭5 used in music?

B9♭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 B9♭5?

B9♭5 uses scale degrees 1-3-b5-b7-9, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on B and spacing remaining fingers across the chord.
  • Practice B9♭5 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing B9♭5 in different octaves to find the most comfortable position.
  • Resolve B9♭5 to a nearby chord to hear its function in context.