Amnesty International is celebrating fifty years of supporting free speech using the Secret Policeman's Ball benefit. In case you missed it, on March 4th they threw a huge comedy show in New York to celebrate. You can catch the benefit on Epix On Demand.

And from that live show, Epix has hooked us up with a signed Gibson Melody Maker from the performing talent. Among the signees: Rashia Jones, David Cross, Jason Sudeikis, Lance Bass, Seth Meyers, Russell Brand and many more.

Here's how you can win:

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