Slipknot, Highly Suspect, Ghost, Lamb of God, Foo Fighters + More Earn Nominations for 2016 Grammy AwardsSlipknot, Highly Suspect, Ghost, Lamb of God, Foo Fighters + More Earn Nominations for 2016 Grammy AwardsSlipknot, Highly Suspect, Ghost, Lamb of God and Foo Fighters are among the acts competing at the 2016 event.Spencer KaufmanSpencer Kaufman