Metallica Share Super Thrashy Teaser Clip For Fourth ’72 Seasons’Song.

Robert Trujillo does something he’s never done before on the new Metallica album – sing backup vocals. The bassist says he’d “never sung in my whole life” when he first joined Metallica – until James Hetfield and producer Greg Fidelman asked him to sing on a new song titled “You Must Burn!” Read more here. Thanks, Killabrew.