Tale Of The Shadow

"I set upon the sea
To search for phantom sails from tales my mum told me
A ghostly galleon filled with gold, she sails alone
No crew, nor captain's guiding hand
Can tame the one the sailors call The Shadow
Sun and horizon met
I weighed the anchor, hoisted sails, my course was set
My cutthroat crew conspiring with the stars our guide
They point the way through perils fraught
And lead us to the one they call The Shadow
None can tame the one the sailors call The Shadow
Lean left! (Lean left!)
Hard right! (Hard right!)
Hold tightly to her helm
She'll try to drown you just for spite
Heave, ho! (Heave, ho!)
'Til first light! (First light!)
She'll give a fight to all who try to claim The Shadow
None can tame the one the sailors call The Shadow
A mighty tempest grew
The banshee cried, "Turn back", but our resolve was true
We pointed bow ahead and shouted, we'll break through!
The jaws of hell can't hold us back
There's nothing that can keep us from The Shadow
The winds blew stronger still
The ocean raged against us, tried to break our will
The sirens in the water, thirsty for the kill
Our vessel reelin' to and fro
To bear us to the one they call The Shadow"

In which a doppelganger is also a Queen of Narnia.