All of this is vocals or keyboard but can be played on guitar...
...listen to the song for timing

Bass vocals part
g/------------------------/-------------------------------|
d/-----------------2-----/------------------2-------------|
a/--3--3---3-------5----/---3--3---3--------5-------------|
e/--------------3--------/--------------3-----------------|

then keyboards comes in…
this is just a repeated C chord for verse

e/-----0-----|
b/-----1-----|
g/-----0-----|
d/-----2-----|
a/-----3-----|
e/-----0-----|

then vocal break between verses…

e/---1---0---1---0---1---0---1---0---1---0---1---0---1---0---1---3-------|
b/-----------------------------------------------------------------------|
g/-----------------------------------------------------------------------|
d/-----------------------------------------------------------------------|
a/-----------------------------------------------------------------------|
e/-----------------------------------------------------------------------|

Chorus

On keyboard this is just…

   Am          F             C          C
e/-----0-----/----1-----/----0---/-----0-----|
b/-----1-----/----1-----/----1---/-----1-----|
g/-----2-----/----2-----/----0---/-----0-----|
d/-----2-----/----3-----/----2---/-----2-----|
a/-----0-----/----3-----/----3---/-----3-----|
e/-----0-----/----1-----/----0---/-----0-----|

bass is
g/----------------------------------------------------------------------------|
d/----------------------------------------------2----------------------2------|
a/--------------------------------3--3---3------5-------3--3---3-------5------|
e/-5---5---5---5---1---1---1---1-------------3-----------------------3--------|

------------------
-------------------------------
these are all the parts you need…
and the structure is fairly easy to work out

sustain Am for "DANGER, WATER, DANGER, WATER" bit...
then C for 8 on keyboard to End...