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It's the fifth of November, and Alan Moore, the mad genius behind Watchmen and V for Vendetta, is showing his support for the Occupy Wall Street movement and the hacktivist group Anonymous. He has recorded a benefit song for Occupy called "The Decline of English Murder" about the greed of banks and the incompetence of government. It's out today via Occupation Records (the label of the Occupy movement).

Moore wrote and sings the song, while Joe Brown plays the music. If you download the single at the label's website, you'll get the chance to win a V for Vendetta mask signed by Moore.

It's out today in conjunction with Anonymous' Operation Vendetta. Today, around 5,000 people are set to reenact the final scene of V for Vendetta-- the masked march, not the explosions.

Moore visited an Occupy protest at the London Stock Exchange earlier this year, where he voiced his support:

"A tidal wave cannot be said to have succeeded or failed. All that it can be said to have done is changed things. Often monumental ... I would say to critics-- what are you doing about the current situation. If you are happy with it, what the hell is wrong with you?"

This isn't Moore's first time in the music world-- in 2010, he released the Unearthing box set, which featured Fog's Andrew Broder, Doseone, Death Grips' Zach Hill, Mogwai's Stuart Braithwaite, and others.

Here's a video of Moore's Occupy visit from earlier this year: