Babylon Babushka, on Doff Russian 7 string classical guitar

This song was inspired by my grandmother, that I used to call Babi, and later on Babylon, Baba Babylon and Baba Babilonului in Romanian. I m playing my new Doff model 0217 from St Petersburg, Russia. It has a cedar top, Rosewood back and sides doesn t appear to be Indian, maple neck with ebony fingerboard and binding. My tuning is D G C F A, D G. I added a high G by using 25 lb nylon fishing line. I use 20 or 25 lb line depending on the instrument. I feel this tuning is an evolution for the Ru