1. THis is Babelfish or similar automated translation.
2. Running it through Babelfish backwards produces:

Or Lagan river sings its lullabies
My pretty pink demeurre.
The crepuscule is in its eyes,
the night on its hair,
And as a fee it has me trap,
My heart it always holds.
It has my life, my freedom
it queen of my love.

A