Inaccessible Music

I uploaded (or tried uploading) a piece and got a strange error. I accidentally uploaded it twice because of the error. I want to delete one, but I can't open the page to either of them. I think it's because of the Cyrillic in the title messing up the link, but I'm not sure. What can I do to fix it? The piece is my (

Variations on «Коробейники»).

My guess is that unicode isnt working or the << >> symbols are messing things up.

Fixed.