METAL SLUDGE 20 QUESTIONS with NITRO singer and Jiu-Jitsu world champion JIM GILLETTE   METAL SLUDGE — Just when you thought it was safe to turn on your spotify we must warn you….. prepare to cover your ears. As it may get louder and heavier sounding than it has in a while. You may have heard or maybe not, but NITRO is back, and they are making a new record.  Not only are founding members Jim Gillette[…]