Help please!! Songs disapeared of computer!!?

Ok, so like it says in the title, my songs disapeared from my PC!!! Well, actually I think that my 7 year old nephew was playing with my PC and then the PC frozed and now I can't use the desktop of the computer in one account...So anyways, I'm using Ares to download music and I had tons of music and movies in my Ares music folder, but sense the computer frozed I had to make a new account on my computer and use Ares from there, but the songs don't appear either!! I went to the other account (where I had my Ares working for the first time) and nothing!! Ares now don't even connects to the internet =( What can I do? Is it possible that I get my songs back? If you got lost tell me and I'll try to explain it again...THANKS!! ♥