Bsus4 Sus4 Akkord

Replaces the third with a perfect fourth. Classic rock tension before resolution.

Bsus4 Akkord — Quick Answer & Harmonic Definition

The Bsus4 (Suspended 4th) chord consists of the notes B, E, F#. It is constructed from the root note B using the suspended 4th interval formula (0–5–7 semitones).

Formula: 0 – 5 – 7
Notes
B – E – F#
Intervals (semitones)
0 – 5 – 7
Type
Triad

Bsus4 on Piano

Press highlighted keys simultaneously to play the Bsus4 chord.

R
B (Root (R))
2
E (Perfect 4th / 11th)
3
F# (Perfect 5th)

Bsus4 on Guitar

The Bsus4 chord uses notes B, E, F#. Build a voicing by finding these notes on any strings — root on the 6th string is a common starting point for barre chord shapes.

Interval Analysis

Degree Interval Name Semitones Note in B
Root Root (R) 0 B
3rd Perfect 4th / 11th 5 E
5th Perfect 5th 7 F#

About the B Sus4 Chord

The Bsus4 chord (B Sus4) consists of 3 notes: B, E, F#. Replaces the third with a perfect fourth. Classic rock tension before resolution.

To build any suspended 4th chord, apply intervals of 0, 5, 7 semitones above the root. Starting from B: the notes land on B, E, F#.

Playing Bsus4 on Piano

Press B, E, F# simultaneously. In root position, B is lowest. First inversion places E in the bass for a lighter sound; second inversion uses F# as the bass note.

Common Chord Progressions Using Bsus4

  • I–IV–V: Bsus4 – Esus4 – F#sus4 (blues and rock)
  • I–V–vi–IV: Bsus4 – F# – G#m – E (pop staple)
  • I–vi–IV–V: Bsus4 – G#m – E – F# (50s progression)

The Bsus4 Chord in Context

The Bsus4 (Sus4) chord features a distinctive replaces the third with a perfect fourth. classic rock tension before resolution. built from the intervals 0–5–7. It provides rich harmonic color and tension across pop, jazz, classical, and contemporary compositions.

Other B Chords

B
Major
Bm
Minor
B7
Dominant 7th
Bmaj7
Major 7th
Bm7
Minor 7th
Bdim
Diminished

Sus4 Chord in All 12 Keys

Csus4 C#sus4 Dsus4 D#sus4 Esus4 Fsus4 F#sus4 Gsus4 G#sus4 Asus4 A#sus4 Bsus4
Virtual Piano
Play Bsus4 on piano
Virtual Guitar
See on the fretboard
B Scale
Notes that fit Bsus4
Songs
Find songs using Bsus4

Knowledge Base & FAQs

Bsus4 Chord — Frequently Asked Questions

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

What notes are in the Bsus4 chord?

The B Sus4 chord contains: B, E, F#.

These notes are derived by applying the suspended 4th interval formula (0–5–7 semitones) to the root note B.

What is the Bsus4 chord used for?

Replaces the third with a perfect fourth.

Classic rock tension before resolution. The Bsus4 chord is used across pop, rock, jazz, and classical music. As the I chord in the key of B major, it functions as the most stable resting point in progressions.

How do you play Bsus4 on piano?

On piano, play B, E, F# simultaneously.

In root position, B is the lowest note. Inversions move the bass note up — first inversion has E lowest, second inversion has F# lowest.

How many notes are in a suspended 4th chord?

A suspended 4th chord has 3 notes: B, E, F# (in B).

It is a triad — the most fundamental chord type.

What is the difference between B major and B minor?

The B major chord (B–D#–F#) uses a major third (4 semitones), giving it a bright, happy sound.

The B minor chord (B–D–F#) uses a minor third (3 semitones), giving it a darker, emotional sound.

What key does Bsus4 belong to?

Bsus4 naturally serves as the I chord in the key of B major.

It also appears as IV in the key of F# major, and as V in the key of E major.

Can I play Bsus4 on ukulele?

Yes.

The ukulele uses GCEA tuning with 4 strings. The Bsus4 chord notes (B, E, F#) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.

What chords go well with Bsus4?

In the key of B major, Bsus4 pairs naturally with E major (IV), F# major (V), and G#m (vi).

The classic I–IV–V (Bsus4–E–F#) is the foundation of blues, country, and rock.

What is a chord inversion of Bsus4?

An inversion places a non-root note in the bass.

Bsus4 root position: B in bass. First inversion: E in bass. Second inversion: F# in bass. Inversions create smoother bass line movement without changing the harmony.

How do I memorize the notes in a suspended 4th chord?

Remember the formula: 0–5–7 semitones from root.

For Bsus4: start on B, add 5 semitones, then 7 semitones. Practicing this across all 12 roots builds instant recognition of any suspended 4th chord.