Riff 1
E|-----------------------------------|
B|-----------------------------------|
G|-----------------------------------|
D|-----------------------------------|
A|-3333333333336636| (play 8 times)---|
E|-----------------------------------|


Riff 2
E|---------------------------------|
B|---------------------------------|
G|---------------------------------|
D|------------------(p| lay 3 times)-|
A|---5-4-----7-6-------------------|
E|-4-----5-4-----5-----------------|


Riff 2 variation
Fourth time playing riff 2, play this instead:
E|-------------------|
B|-------------------|
G|-------------------|
D|-----------9-8-----|
A|---5-4---6-7-6-7---|
E|-4-----5-4-----5---|
         . . . .


Riff 3 Lyrics start "I have often thought to myself..."
E|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|---------------------------------------|
A|---5544----7766------------------------| (play this 8 times)
E|-44----5544----55----------------------|

Riff 1 x1

Riff 4 (play this twice)
E|--------------------------------------------------------------|
B|--------------------------------------------------------------|
G|--------------------------------------------------------------|
D|---5-------5-------5-------5-------5-------5------------------|
A|-----653-----653-----653-----653-----653-----653-5---5-5-5555-|
E|-3-------3-------3-------3-------3-------3-------3---3-3-3333-|
 . . ... . . ... . . ... . . ... . . ... . . ...
Riff 2 x1
Riff 2 var x1
Riff 3 x ½