This song is a very easy tune.
length: 5:34
standard tuning:
Start
Run. D. M. C.
G ------|
D ------| x2
A 0023--|
E ----31|
G ------------|
D ------------| x pretty much for the rest of the song.
A -----0-023--|
E 1-33------31|
You can also play
G ----------------|
D ----------------| repeat
A ----------------|
E 1-33-5--5-7-8-31|
Whichever you prefer.