About the Bsus2 chord
To play B suspended 2nd, use the first shape above. Place your index finger on the 1st fret of the C string, your middle finger on the 2nd fret of the E string, your ring finger on the 2nd fret of the A string, and your pinky finger on the 4th fret of the G string. Strum all four strings and check that each one rings cleanly.
Root
B
Quality
Suspended 2nd
Notes
B · C# · F#
How the Bsus2 chord works
B
Root(1)
The home note. It gives the chord its name.
C#
Major second(2)
An open-sounding second that replaces the third.
F#
Perfect fifth(5)
Adds strength and stability.