Sandwich - Two Trick Pony Chords & Tabs

Tabbed By: item#198243
this is a weird song...........
i cant seem to get the point of this song?
[ Tab from: https://www.guitartabs.cc/tabs/s/sandwich/two_trick_pony_tab_ver_2.html ]
e----------------------------------------------------------|
b----------------------------------------------------------|
g----------------------------------------------------------|
d----------------------------------------------------------|
a-4---0-0---4-4---0----------------------------------------|
E---------------------3------------------------------------|
p.m

iam not sure about this part.......
e--------------------------------------------------------|
b--------------------------------------------------------|
g--------------------------------------------------------|
d--------------------------------------------------------|
a------------4h5p4--------------------------------- - ---|
E-5--3--5--3---------------------------------------------|