The song is in the key of E.

intro-
e--4-4-4-4-4-0-0-0-4-4-4-4-4-2-2-2--|
b-----------------------------------|
g-----------------------------------|
d-----------------------------------|
a-----------------------------------|
e-----------------------------------|

verse-
e---------------|
b---------------|
g---------------|
d----2------2---|
a--------0h2----|
e--0------------|


chorus-

C#             A        C#         B
how i wrote elastic man how i wrote elastic man

G#             E        G#         F#
how i wrote elastic man how i wrote elastic man

i think this track has two guitars, but they play pretty much the same thing. this is a hard song to mess up.

chords-
e--4---2---0---0---2---0-|
b--6---4---2---0---2---0-|
g--6---4---2---5---3---1-|
d--6---4---2---6---4---2-|
a--4---2---0---6---4---2-|
e--------------4---2---0-|
  C#   B   A   G#  F#  E