About the B7 Baritone chord
Play B7 on Baritone ukulele with the 1 2 0 2 shape in DGBE tuning.
Place your index finger on the 1st fret of the D string, your middle finger on the 2nd fret of the G string, and your ring finger on the 2nd fret of the E string. Leave the B string open. 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
B
Quality
Dominant 7th
Notes
B · D# · F# · A
How the B7 chord works
Root (1)
The home note. It gives the chord its name.
Major third (3)
The major-third interval that establishes the chord's major base.
Perfect fifth (5)
Adds strength and stability.
Minor seventh (♭7)
Adds the defining minor-seventh color.
Play in another way
These alternate Baritone voicings use the same chord notes in different places on the fretboard.