This tab is in standard tuning, but the original tuning Andy uses is BEADF#B. But
hey, It's played the same way.
() - Harmonics
/ - Slide
E|-----------------------------------------------------------------------|
B|-------(7)----(12)-------------------(7)----------(12)-----------------|
G|---(5)----(7)------------------(5)-----(7)----------(12)---------------|
D|---(5)-------------------------(5)-------(7)---------------------------|
A|---(5)-------------------------(5)-------------------------------------|
E|--------------------8-888-8--------------------10--------(12)----0-----|
[ Tab from: http://www.guitaretab.com/a/andy-mckee/217469.html ]
E|-----------------------------------------------------------------------|
B|-------(7)----(12)-------------------(7)-----------(12)----------------|
G|---(5)----(7)------------------(5)-----(7)------------(12)-------------|
D|---(5)-------------------------(5)-------(7)---------------------------|
A|---(5)-------------------------(5)-------------------------------------|
E|--------------------8-888-8--------------------10---------(12)------8--|
I think these are the main chords he uses, though I'm not sure of the picking/strumming pattern...
E|---0--/---0---|
B|---3--/---7---|
G|---0--/---0---|
D|---0--/---0---|
A|---3--/---7---|
E|---x--/---x---|