Bbsus2 chordBb sus2

String 6: not played
String 5: fret 1, finger 1 (index)
String 4: fret 3, finger 3 (ring)
String 3: fret 3, finger 4 (pinky)
String 2: fret 1, finger 1 (index)
String 1: fret 1, finger 1 (index)
Barre: lay your index finger flat across fret 1

Bbsus2 (Bb sus2, also written A#sus2) has an open, floating sound. Notes: Bb – C – F.

How to play Bbsus2

× muted string · ○ open string · numbers are fingers (1 index, 2 middle, 3 ring, 4 pinky)

💻 Learn it by playing in the app

The chord check listens and tells you which string is muted

Note	Bb	C	F
Interval	1 (root)	2	5 (perfect 5th)

Fret 1 · A shape

Fret 8 · D shape

For the barre, keep your index finger close to the fret and slightly rolled onto its bony side; thumb behind the neck, around the middle.
Pick each string on its own and listen for muted strings; a finger touching the next string is the usual cause.
Press, release, press again: if you can form Bbsus2 cleanly 20 times in a minute, you have it.