There are more fakes around the place now...to discourage people from using p2p. That's why you're seeing the files that sit connecting for ages & need more sources. These things won't ever download.
Have a look through this sticky, you'll find a bit more info on the sort of groups who spread the fake crap.
Fake files showing up in search results

There are tips here (for video as well as music) that might help
How to find music