they sent me this nasty email:
One or more of your content items was found to be in
violation of Multiply's terms of service regarding
copyrights. We have changed the access so that only you can
access the item(s) going forward. We suggest you do the same
with any other items that may contain copyrighted material.
We reserve the right to cancel your account if we discover
another violation. Here is the list of items which contain
copyrighted material:

http://panthermartin.multiply.com/music/item/6
http://panthermartin.multiply.com/music/item/130
http://panthermartin.multiply.com/music/item/94

Thank you for understanding.

Multiply customer service