B♭sus2 / A♯sus2 Chord on Guitar

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B♭sus2 (also written A♯sus2) is a suspended second chord made of 3 notes: B♭, C, F. It sounds open and airy, neither major nor minor, and you hear it in intros, worship songs and jangly pop, often moving back to the plain chord. It is the I chord of B♭ major and turns up in 5 other keys.

The library above opens on B♭sus2 with 14 shapes up and down the neck. Tap a shape to hear it, or play it one string at a time.

Notes in B♭sus2

NoteDegreeInterval from B♭Semitones
B♭1root0
C2major second2
F5perfect fifth7

Formula: 1 – 2 – 5. With the other spelling, A♯sus2 is A♯, B♯, E♯: the same sounds under different names.

How to play B♭sus2

312
Fret 1Beginnerxxx311
1342
Fret 1Easyx1331x
13fr312
Fret 13Beginnerxxx(15)(13)(13)
3fr312
Fret 3Easy633xxx
13fr1342
Fret 13Easyx(13)(15)(15)(13)x
3fr2134
E-shape barre at fret 3Medium633366

Fret 1 (root on the 5th string), step by step

  1. 1st finger (index): 5th string, 1st fret (B♭, the root).
  2. 2nd finger (middle): 2nd string, 1st fret (C, the second).
  3. 3rd finger (ring): 4th string, 3rd fret (F, the fifth).
  4. 4th finger (little): 3rd string, 3rd fret (B♭, the root).
  5. Strum from the 5th string, and keep the 6th string and 1st string quiet (touch the muted string lightly with the finger next to it).

Tips

The fret 1 shape is the one to learn first. Once it is easy, try the shape at the 13th fret (xxx(15)(13)(13)): the same chord, higher and brighter, handy when the chords before and after it sit up the neck.

Keys and progressions with B♭sus2

B♭sus2 belongs to 6 keys: V in E♭ major, IV in F major, I in B♭ major, VII in C minor, VI in D minor, III in G minor. In B♭ major, try I–V–vi–IV: B♭sus2 – F – Gm – E♭.

Common questions

What notes are in B♭sus2?

B♭, C, F: the root, second, fifth.

What is the easiest way to play B♭sus2?

Fret 1: x1331x (low string first), rated Easy.

What is the difference between B♭sus2 and B♭sus4?

B♭sus2 has C where B♭sus4 has E♭. B♭sus2 sounds open and airy, neither major nor minor; B♭sus4 sounds tense and hanging, as if waiting to resolve.

Is B♭sus2 a hard chord?

No. The easiest shape is rated Easy and needs 4 fingers.

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