There are two major components to DMCA safe-harbor compliance. The first is that you honor takedown requests; unfortunately for software entrepreneurs, this seems to be the only DMCA component that is widely understood. The second major component is that you not operate your service with direct knowledge of infringement. A simple way to illustrate this is that if you have a screenshot of your application being used t…
What if I've never heard of Madonna? Does the law actually encode some sort of pop-knowledge into itself? If I see a screenshot of an apparently home-made video am I supposed to think "small band that probably intentionally released this video to get more attention = OK" or "probably a filter added by a popular band that doesn't need more attention = Remove"? This is ignoring jurisdiction, too. IIRC, AllOfMp3 operate…
No, but the fact that the site owner is using these screenshots to advertise his service obligates him to do due diligence on the copyright status of those tracks. Coincidentally picking one of the most popular artists of the last quarter-century to promote your site rings a little hollow.
Your jurisdictional argument also doesn't hold water. First of all, the site owner was operating in the USA, so he's bound by US law. Second, buying a "blanket copyright" in Russia doesn't confer rights to sell content in other countries.