Original here :
https://www.youtube.com/watch?v=fc-DgRO1SrQ&index=8list=RDMMxzTG_1Xun54&bpctr=1544672426
Erika is the other Name for the "Flower of the Heath," known as "Heather"(Genus Erica), which is from whence the Ladies' Names come from. A more striaghtforward translation can be found here: http://en.wikipedia.org/wiki/Erika_(song).