Lead guitar riff
    B5
eb]----------2---------------2-------|   \
Bb]------3-5---5-3-------3-5---5-3---|
Gb]--4-4-----------4---4-----------4-|
Db]----------------------------------|
Ab]----------------------------------|
Eb]----------------------------------|

    D5
eb]------2-3-5-3-2-------2-3-5-3-2---|
Bb]--3-3-----------3---3-----------3-|
Gb]----------------------------------|
Db]----------------------------------|
Ab]----------------------------------|
Eb]----------------------------------|
   A5                                   Do all this for the intro and
eb]-------------------------------------------------------;)    chorus. The patterns change
Bb]------2-3-5-3-2-------2-3-5-3-2------------------------;)    according to whichever chord
Gb]--2-2-----------2---2----------2-----------------------;)    the rhythm guitar is playing.
Db]-------------------------------------------------------;)    I put the chord above each one
Ab]-----------------------------------|    to help ya out ;)
Eb]-------------------------------------------------------;)

   G5
eb]----------------------------------|
Bb]----------------------------------|
Gb]-0-0-4-5-7-5-4-0---0-4-5-7-5-4-0--|
Db]----------------------------------|
Ab]----------------------------------|
Eb]----------------------------------|   /


Rhythm guitar riff
    Bb5    Db5    Ab5    Gb5
eb]-------------------------------- Strum each chord 16------------------------| times for the intro
Bb]----------------------------------------------------------------------------| and chorus
Gb]-4------7-------------------------------------------------------------------|
Db]-4------7------7------5--------- For the pre-chorus, strum the first two 4--|
Ab]-2------5------7------5-----------------------------------------------------| times, 
the 3rd one 2 times, and the
Eb]---------------5------3-----------------------------------------------------| last 
once, letting A5 and G5 ring


Verse
eb]---------------------------------|
Bb]--3-2-0~------3-0-2~-------------|
Gb]---------------------------------| This repeat this a few times, then pause,
Db]---------------------------------| then start repeating again as many times
Ab]---------------------------------| as needed
Eb]---------------------------------|


Song order:
Lead guitar (start of song)     x1
Rhythm & lead guitar            x1
Verse                           x4
Pause
Verse                           x2
Rhythm guitar    (pre-chorus)   x1
Rhythm & lead guitar            x3
Pause
Verse                           x2
Rhythm guitar    (prechorus)    x1
Rhythm & lead guitar            x3
Pause
Rhythm guitar    (prechorus)    x1
Rhythm & lead guitar            x3
Lead guitar                     x1
Rhythm & lead guitar            x2

End on

e]---------------------------------|
B]---------------------------------|
G]-4-4---4-4-----------------------|
D]-4-4---4-4-----------------------|
A]-2-2---2-2-----------------------|
E]---------------------------------|