About the Ebaug chord
To play Eb augmented, use the first shape above. Place your index finger on the 2nd fret of the A string, your middle finger on the 3rd fret of the C string, and your ring finger on the 3rd fret of the E string. Leave the G string open. Strum all four strings and check that each one rings cleanly.
Root
Eb
Quality
Augmented
Notes
Eb · G · B
How the Ebaug chord works
Eb
Root(1)
The home note. It gives the chord its name.
G
Major third(3)
The major-third interval that establishes the chord's major base.
B
Augmented fifth(♯5)
A raised fifth that expands the triad.