The B 7sus4 chord is a four-note chord made up of B, E, F♯, and A. It is built from a root, perfect fourth, perfect fifth, and minor seventh.
Construction
B 7sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th = B · E · F♯ · A
| Note | Interval | Degree |
|---|---|---|
| B | Root | 1 |
| E | Perfect 4th | 11 |
| F♯ | Perfect 5th | 5 |
| A | Minor 7th | ♭7 |
B 7sus4 Inversions
| Position | Notes |
|---|---|
| Root Position | B – E – F♯ – A |
| 1st Inversion | E – F♯ – A – B |
| 2nd Inversion | F♯ – A – B – E |
| 3rd Inversion | A – B – E – F♯ |
Key Signature
A chord has no key signature of its own, but the B 7sus4 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 7sus4 — Frequently Asked Questions
What is the B 7sus4 chord on piano?
The B 7sus4 chord contains the notes B – E – F♯ – A. On piano, play these notes together to sound the chord.
What notes are in the B 7sus4 chord?
The B 7sus4 chord (B7sus4) contains 4 notes: B, E, F#, A. Formula: R-P4-P5-m7.
How is B7sus4 used in music?
B7sus4 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 B7sus4?
B7sus4 uses scale degrees 1-4-5-b7, giving it its distinctive sound.