Green Day frontman Billie Joe Armstrong's solo track from the recent "post-apocalyptic" puppet film, Live Freaky, Die Freaky has surfaced online.

The film was released on DVD this past January and was produced by Rancid's Tim Armstrong and written / directed by John Roecker. It also features the vocal talents of Rancid members Tim Armstrong, Matt Freeman, Las Frederiksen and Brett Reed, Tiger Army's Nick 13, X's John Doe, the Transplants' Travis Barker and Skinhead Rob, AFI's Davey Havok, The Vandals' Warren Fitzgerald and Josh Freese, The Lunachicks' Theo Kogan, and The Go-Go's Jane Wiedlin among others.

Though the track has floated around unofficially since the film premiered, the release is the first "official" download. You can check it out here: "Mechanical Man."