The first guitar part, you strum up at the 3rd first and down on the two last


   Em      Em      Em     Em  Em
E--0-------0-------0------0---0-----------------------------------|
B--0-------0-------0------0---0-----------------------------------|
G--0-------0-------0------0---0-----------------------------------|
D--2-------2-------2------2---2-----------------------------------|
A--2-------2-------2------2---2-----------------------------------|
E--0-------0-------0------0---0-----------------------------------| 

Part number two is really banjo. But can be translated to guitar like this; 
but 
if you listen to the song you can hear that there are twice as many strokes. Again 
because it`s the banjo.

E----0-0--2-3--2-3--0------------0--2-3--2-3--5-7-3-7-------------|
B-0-------------------3--0-3--0-----------------------------------|
G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-----------------------------------------------------------------|
E-----------------------------------------------------------------|

E-7-7-7-3--5-5-5-2--3-3-3-0--2-2-2--3--5--7--5--3--2--0-0-0---0-0-|
B-----------------------------------------------------------3-----|
G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-----------------------------------------------------------------|
E-----------------------------------------------------------------|

Part three is also banjo and is just like part two but deeper and i s the main theme.

E----------------------------------------------------------------|
B----------------------------------------------------------------|
G-----------0-0----------------------0--0--2-4-0-4---------------|
D-----2-2--4-4--2-0---0-------2-2--4--4--------------------------|
A--2----------------2------2-------------------------------------|
E----------------------------------------------------------------|


E----------------------------------------------------------------|
B--0-0-0---------------------------------0-----------------------|
G--------0--2-2-2----0-0-0-----------0-2---2-0-------------------|
D-----------------4--------2--4-4-4------------4~--2-2-2-0-2-2~--|
A----------------------------------------------------------------|
E----------------------------------------------------------------|

Part four is a guitar part the ryhtm part (the verse and chorus)

this is the chords:


    Em    G     Bm    D
E---0-----3-----2-----2------------------------------------------|
B---0-----0-----2-----3------------------------------------------|
G---0-----0-----4-----2------------------------------------------|
D---2-----0-----4-----0------------------------------------------|
A---2-----2-----2-----x------------------------------------------|
E---0-----3-----x-----x------------------------------------------|


 Em
When on the road to sweet Athy,

 G
Hurroo Hurroo

 Em
When on the road to sweet Athy,
 
 Bm
Hurroo Hurroo
 
 G                  D
When on the road to sweet Athy

 Em                  Bm
A stick in the hand, A drop in the eye

 G         D     Em      Bm
A doleful damsel I heard cry
 
 Em
Johnny I hardly knew ya


That goes all the song.
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