Riff A
E|----------------|
B|----------------|
G|----------------|
D|----------------|
A|----------7-----|
E|5-7-8-7-8---7-8-|


Verse played with lick a:
E|--------------------------------|
B|--------5-------3-------5-6-5---|
G|2-------------------------------|
D|--------------------------------|
A|--------------------------------|
E|--------------------------------|


Pre-chorus ("Must I keep remembering..."):
Riff B
E|-----------------------|
B|-----------------------|
G|.---------------------.|
D|.------10----10-9----9.|
A|7----7-8-----8--7----7-|
E|5----5-----------------|
                Play x 2


Chorus ("I keep singing that same old song...")
Riff C
E|--------------|
B|--------------|
G|.------------.|
D|.5-5-7-7-----.|
A|-3-3-5-5-5----|
E|---------3----|
        Play x 3

Transition-chord to next verse:

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

Repeat verse, pre-chorus, chorus, transition-chord and then:

Transition riff:
Riff D
E|-----------------|
B|-----------------|
G|.---------------.|
D|.2---0-2-----0-2.|
A|---2-------2-----|
E|-----------------|
          Play x 2

Then:
E|-------------------------------|
B|-------------------------------|
G|.-----------------------------.|
D|.2-2---5-5---7-7---5-5---7-7-5.|
A|-0-0---3-3---5-5---3-3---5-5-3-|
E|-------------------------------|
                         Play 6x (with guitar solo on top)

Then:
Riff E
E|-------------------------------|-------------------------------|
B|-------------------------------|-------------------------------|
G|-------------------------------|-------------------------5-5-4-|
D|-2-2---5-5---7-7---5-5---7-7-5-|-2-2---5-5---7-7---5-5---3-3-2-|
A|-0-0---3-3---5-5---3-3---5-5-3-|-0-0---3-3---5-5---3-3---------|
E|-------------------------------|-------------------------------| continues...

E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|4-4---7-7---6-6---2-2---6-6-4---------4-4---2-2------------|
D|2-2---5-5---4-4---0-0---4-4-2---5-5---2-2---0-0---------2--|
A|--------------------------------3-3---------------5-5---0--|
E|--------------------------------------------------3-3------|
                                               End of Riff E

Then:
Verse
Pre-chorus
Chorus
Riff D (Transition riff) x 4 (in all)
Chorus
Riff D (Transition riff) x 4 (in all)
Then repeat Riff E 'til infinity (or at least until the song fades).
The end.