SLIPKNOT - Duality Drum Cover

I listened to Slipknot quite a bit about 4 years ago, and enjoyed a lot of their songs. Recently I heard that Paul Gray, the bassist, had died in a drug related incident a few months back, and I suddenly found myself listening to Slipknot again. Duality was one track that I particularly liked, so I decided as a challenge to myself, and to pay some kind of fan tribute to the band as it was then by playing this track on the drums. I should mention that I was a drummer many years ago, but its been over a decad