A new Nine Inch Nails track entitled "My Violent Heart" has been circulating online. There is a lot of speculation about whether the song has been "leaked" in a unique marketing strategy by the band. According to reports, which you can read here, the song was found on a USB drive in the bathroom of the venue of their recent show in Lisbon, Portugal. Links to download the song can also be found at the above link. Nine Inch Nails will be releasing their new full-length, Year Zero, on April 16th.