About the Bbsus4 Baritone chord
Play Bbsus4 on Baritone ukulele with the 1 3 4 1 shape in DGBE tuning.
Use your index finger to barre the 1st fret across the D, G, B, and E strings. Place your ring finger on the 3rd fret of the G string and your pinky finger on the 4th fret of the B string. Strum all four strings and check that each one rings cleanly.
Read the frets across D, G, B and E. A 0 means open and x means mute. These fingerings are for Baritone strings. A Standard gCEA chart uses different shapes for the same chord names.
Root
Bb
Quality
Suspended 4th
Notes
Bb · Eb · F
How the Bbsus4 chord works
Bb
Root (1)
The home note. It gives the chord its name.
Eb
Perfect fourth (4)
A suspended fourth that replaces the third.
F
Perfect fifth (5)
Adds strength and stability.