Actually you're right, I just looked this up and in an earlier ISU interview '' and he says
"I guess, the story of the piece is different to what I was trying to interpret – it has a lot more layers to it. The music is the soundtrack to a movie called “Desierto” and the movie is about immigration into the US. Obviously, I don’t want to make my programs about this or anything political but, at the same time, just because it has that deep and darker meaning requires me to add another layer to my skating,” he explained."
nvm, he didn't seem like he wanted to ground his program with the meaning behind the song
"I guess, the story of the piece is different to what I was trying to interpret – it has a lot more layers to it. The music is the soundtrack to a movie called “Desierto” and the movie is about immigration into the US. Obviously, I don’t want to make my programs about this or anything political but, at the same time, just because it has that deep and darker meaning requires me to add another layer to my skating,” he explained."
nvm, he didn't seem like he wanted to ground his program with the meaning behind the song