Since the song is technically copyrighted material (even if unreleased), automated systems and label representatives regularly issue DMCA takedowns against public links. A YouTube video of "Camouflage" might be up for three days before being removed. Download links on file-hosting sites (MediaFire, Zippyshare—now defunct, etc.) are frequently deleted.
While R&B is not Beatport's primary focus, specialty digital stores like eMusic sometimes carry deep catalog cuts that have fallen off mainstream sites. A search for "Brandy Camouflage" here may yield a purchase link. brandy camouflage audio download
If you want to own the file (MP3) to keep forever or move to a device without the internet, you should purchase it digitally. This grants you a high-quality, DRM-free file. Since the song is technically copyrighted material (even