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 B Major, whose key signature has 5 sharps (F♯, C♯, G♯, D♯, A♯).
F♯C♯G♯D♯A♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
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 B Power chord?
The B Power chord (B5) contains 2 notes: B, F#. Formula: R-P5.
How is B5 used in music?
B5 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 B5?
B5 uses scale degrees 1-5, giving it its distinctive sound.