copyright law is common sense among educated people.
if someone steals your car, will you complain or not? With music it is just the same.
music has copyrights and is owned by the creators or their representatives.
Claiming to not know the law does not indemnify one from legal charges.
so please remove our music from your site immediatelly.
after all, you are the one who illegally posted i.e. forwarded it on your site and you ought to apologize and correct your mistake instead of complaining to us about your action!