1) You have to select your song / video from an outside source such as:
http://imeem.com/
http://www.bestvideocodes.com/
and then copy the entire code, and come back to your HOME page.
2) now click, MY TRACKZ, on the left hand side, which will open the Music tracks format.
3) drop the code into the white rectangle, then label your song and album, and the artist, then click, SUBMIT
4) the Track will now appear into the line up. You want to look on the right hand side and click Stop Autoplay on profile