Slipknot were back on stage for the first time since the death of their bassist, Paul Gray.  Check out this emotional video. They had not been on stage together as a band since Gray's death,  until this last Friday night at the Sonisphere Fesitval. Hard to believe it's been over a year already since "Pig's" death.

In the video, you'll notice the big "2" on stage, paying tribute to their fallen bassist, plus they put "Pig's" bass gear up on stage with them.

Check out this tribute to Paul Gray as they go into "Duality".

(WARNING: Video contains strong language)

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