Drop D tuning. The less space between numbers, the faster notes are played.
INTRO (PLAYED THROUGHOUT SONG):
[ Tab from: https://www.guitartabs.cc/tabs/e/eric_church/homeboy_tab_ver_3.html ]
e|---------------------------------------|
B|----------------------3-3---3----------|
G|----2-------2---------0-0---0----------|
D|------4-------4------------------------| REPEATS
A|-----------0----0-2h3----2-------------|
D|--0-------0-------------------3b0h3b-0-|
CHORD PATTERN FOR SONG:
D, D, C, G, D
Drop D string is open on G chord. 3rd fret for B and high E string on C and G chord.
Good to go.