Metallica’s James Hetfield and Judas Priest’s Rob Halford were seen enjoying a recent Turnstile festival set.Both metal legends were filmed sidestage at Norway’s Tons Of Rock Festival, where Metallica headlined on June 26, and Judas Priest on June 28. Nova Twins, Tool and Parkway Drive were among the other performers at the festival.Both have been vocal proponents of newer artists in metal, throwing support behind the likes of Ghost and Sleep Token.