The B♭ Power chord is a two-note chord made up of B♭ and F. It is built from a root and perfect fifth.
Construction
B♭ Power = Root + Perfect 5th = B♭ · F
| Note | Interval | Degree |
|---|---|---|
| B♭ | Root | 1 |
| F | Perfect 5th | 5 |
B♭ Power Inversions
| Position | Notes |
|---|---|
| Root Position | B♭ – F |
| 1st Inversion | F – B♭ |
| 2nd Inversion | — |
Key Signature
A chord has no key signature of its own, but the B♭ Power is the tonic (I) chord of Bb Major, whose key signature has 2 flats (B♭, E♭).
B♭E♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of B♭ Major
These are the triads built on each degree of the B♭ major scale:
B♭ Power — Frequently Asked Questions
What is the B♭ Power chord on piano?
The B♭ Power chord contains the notes B♭ – F. On piano, play these notes together to sound the chord.
What notes are in the Bb Power chord?
The Bb Power chord (Bb5) contains 2 notes: Bb, F. Formula: R-P5.
How is Bb5 used in music?
Bb5 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 Bb5?
Bb5 uses scale degrees 1-5, giving it its distinctive sound.