E|-------| |-----|              |-------|
B|-------| |-----|              |-------|
G|----10-| |---8-|              |----10-|
D|--8----| x8   |-6---| x8      |-10----| x16
A|-------| |-----|              |-------|
E|-------| |-----|              |-------|

"When the sun shines . . ."
Looks like (to me, anyways):
E|------------|
B|-------9----|
G|-11---10----|
D|-11-8-11-11-|
A|--9-8-11-11-|
E|----6-----9-|
OR
What I think sounds better:
E|-------------|
B|-------------|
G|-11----13----|
D|-11-11-13-11-|
A|--9-11-11-11-|
E|-----9-----9-|

"Ella ella . . ."
E|-------| |-----|
B|-------| |-----|
G|----10-| |---8-|
D|--8----| x8   |-6---| x8
A|-------| |-----|
E|-------| |-----|


TEGAN (guitar)
"When the sun shines . . ."
E|---------|
B|---------|
G|---6-----|
D|-4-6-6-8-|
A|-4-4-6-8-|
E|-2---4-6-|

"Ella ella . . ." (The second time around)
E|---------------------------------|
B|---------------------------------|
G|---------------------------------|
D|---------------------------------| x4
A|-----8-8-6-6-4-4-----6-6-4-4-----|
E|-6-6-------------4-4---------4-4-|

TED (keyboard)
The little riff during the verse
E|-9----11-----|
B|---11----9-9-|
G|-------------|
D|-------------|
A|-------------|
E|-------------|