DMCA & the likes of RightHaven

From what I've learned from been on music sharing sites is that as long as the site doesn't host the music there's not much the copyrighters can do other than ask for them to be removed which 99% of the time has been ignored, the only time we haven't is when there was a serious issue in regards to Madonna songs even then we only removed the items for a week (which they found to be a satisfactory solution)

The first thing the copyrighters would do is contact the image hosts and ask them to remove the items, most of the time it will never go past that.