Check the file with Bitzi before download (click on link): How to use Bitzi

Some files on the network are fake & won't ever download, or will download & then only play for a couple of minutes. Others may download & then send you to a site where you're asked to download a player or codec (often a virus).
Others may be misnamed junk or porn.

Fake files showing up in search results

How to find music (tips for movies, too)