RS, you don't know what you are talking about, they are Khan's slaves (Caspian Sea). The female chorus is the song of Slave Women asking their song to go where it can be free, to their native land.. And find yourself ballet Fountain of Bakhchisarai and watch, very much on a similar subject of Slave Women in Crimea . Educate yourself first.
Thanks for presenting this anniversary version of the Polovtsian Dances. It is the most glorious with the Kirov/Mariinsky ballet. Wish you could have provided names of the dance soloists. I'd like to compare with 1998 version.