I found it hard to find any Sirenia chords on the internet, so i gave up looking for and 
found out the chords myself... So this is the best i could do, and I want to share it 
with you.. so have fun!

BmIn (x24432@1)the fields of summer
F#mI (244222@1)will dance away with you
Bm (x24432@1)             Em (022000@1)              F#mI (244222@1)never knew the pain would see us through
BmAnd (x24432@1)though we fear the silence
F#mWe (244222@1)never ever realized
Bm (x24432@1)               Em (022000@1)           F#mThat (244222@1)life was only passing gently by

G (320003@1)                        BmWhen (x24432@1)the darkness seems to fall,
                    F#mThen (244222@1)I can hear you call
                      Em (022000@1)       F#mYour (244222@1)voice is clearer now than before
G (320003@1)               BmAnd (x24432@1)in the summer rain
                    F#mI'll (244222@1)carry all your pain
                Em (022000@1)    F#mIf (244222@1)I could only see you again

Intro:  Bm Bm G F#m x4    (I'm not sure if it's F#m or Em in this intro , try them both 
and decide yourself)

BmIn (x24432@1)the glades of summer
F#mA (244222@1)light still wanes in you
Bm (x24432@1)                  Em (022000@1)             F#mLike (244222@1)winter days long gone in midst of June
BmAnd (x24432@1)though the cross feels lighter
F#mOn (244222@1)a warm midsummer night
Bm (x24432@1)                 Em (022000@1)           F#mWhy (244222@1)do we then still feel so cold inside?

G (320003@1)                        BmWhen (x24432@1)the darkness seems to fall
                    F#mThen (244222@1)I can hear you call
                     Em (022000@1)       F#mYour (244222@1)voice is weaker now than before
G (320003@1)               BmAnd (x24432@1)in the summer rain
                    F#mYou (244222@1)gave in to your pain
                    Em (022000@1)   F#m (244222@1)   BmAnd (x24432@1)life will never be the same again

Intro:  (now there're the verses and choruses again until it fade out)

The end.