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Guitar chords · Suspended 4th

B♭sus4 chord on guitar (Bbsus4)

B♭sus4 (B♭ 4th) has three notes: B♭, E♭ and F, the , 4 and 5.

Shapes

How to play B♭sus4

Strum a shape to hear it, or pick it one string at a time. R marks the ; the other numbers are the chord tones.

B♭sus4 has no common . Play it as the A shape at 1 or the E shape at fret 6. A keeps its fingering anywhere on the neck: slide it up or down and the , on the lowest played string, names the chord.

  • A shape · fret 1

    ×R5R45B♭FB♭E♭F
  • E shape · fret 6

    6frR5R45RB♭FB♭E♭FB♭
Name a shape you're holding: the chord finder

Notes and formula

What makes B♭sus4 suspended 4th

A sus4 chord replaces the 3rd with the 4th. The 4th wants to fall back to the 3rd, so a sus4 chord usually resolves to the major chord on the same .

  • 1Root: the note the chord is named after. Keep it.
  • 3Essential: makes the chord what it is. Never drop it.
  • 5Optional: drop it first when you run out of fingers.

The 4th makes B♭sus4 a 4th chord; you can leave out the 5th.

  1. B♭Rroot
  2. E♭4essential
  3. F5optional
EADGBE0135791215B♭B♭B♭B♭B♭B♭B♭B♭FE♭FE♭FE♭FE♭FE♭FE♭FFE♭F
  • B♭, the root
  • Other chord tones

B♭sus4 usually resolves to B♭, as the 4th falls to the 3rd.

B♭sus4 and A♯sus4 are the same chord with two names: same , same sound. Which one you see depends on the key the song is written in.

Keys

Keys with B♭sus4

B♭sus4 belongs to ten keys: G♭ major (IIIsus4), D♭ major (VIsus4), A♭ major (IIsus4), E♭ major (Vsus4), B♭ major (Isus4), E♭ minor (Vsus4), B♭ minor (Isus4), F minor (IVsus4), C minor (VIIsus4) and G minor (IIIsus4).

Numerals follow the key's own scale, so III, VI and VII in a minor key are its own major chords. A ♭ or ♯ in front marks a chord from outside the key. How Roman numerals work

Slash chords

B♭sus4 over another bass note

A keeps B♭sus4 on top and puts another note in the bass: the letter after the slash is the lowest note you play.

  • B♭sus4/F

    B♭sus4 with its 5th, F, in the bass.

Questions

B♭sus4, in short

What notes are in the B♭sus4 chord?
B♭sus4 (B♭ 4th) has three notes: B♭, E♭ and F, the , 4 and 5.
How do you play B♭sus4 on guitar?
B♭sus4 has no common . Play it as the A shape at 1 or the E shape at fret 6.
What key is B♭sus4 in?
B♭sus4 belongs to ten keys: G♭ major (IIIsus4), D♭ major (VIsus4), A♭ major (IIsus4), E♭ major (Vsus4), B♭ major (Isus4), E♭ minor (Vsus4), B♭ minor (Isus4), F minor (IVsus4), C minor (VIIsus4) and G minor (IIIsus4).
Is B♭sus4 the same as A♯sus4?
Yes: same frets, same sound, different name. B♭sus4 is the spelling in G♭ major, D♭ major, A♭ major, E♭ major, B♭ major, E♭ minor, B♭ minor, F minor, C minor and G minor; A♯sus4 only in F♯ major, C♯ major, D♯ minor and A♯ minor.
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