About the G#sus4 chord
To play G# suspended 4th, use the first shape above. Place your index finger on the 1st fret of the G string, your middle finger on the 3rd fret of the C string, your ring finger on the 4th fret of the E string, and your pinky finger on the 4th fret of the A string. Strum all four strings and check that each one rings cleanly.
Root
G#
Quality
Suspended 4th
Notes
G# · C# · D#
How the G#sus4 chord works
G#
Root(1)
The home note. It gives the chord its name.
C#
Perfect fourth(4)
A suspended fourth that replaces the third.
D#
Perfect fifth(5)
Adds strength and stability.