This is the intro for the song and the rest of the song is based on the D#, C# and the B chord,
If you find that I was wrong please let me know.
[ Tab from: http://www.guitaretab.com/a/alice-in-chains/200944.html ]
e|--------------------------------------------------------------------------|
B|--------------------------------------------------------------------------|
G|-----3-3-1-----1-----1-3----3-3-1-----1-----------3-3-1-----1-----1-3-----|
D|------------4-----4----------------4-----4-4-4-----------4-----4----------|
A|--------------------------------------------------------------------------|
E|--------------------------------------------------------------------------|
-------------------------------------|e
-------------------------------------|B
-----3-3-2-1-----1-------------|G----| X4
--------------4-----4----------------|D
-------------------------------------|A
-------------------------------------|E