Metallica's newest album to come: good or bad?

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I heard three of the new songs (Ecstasy of Gold, Death Is Not the End, and Vulturous), on Youtube so far. Death Is Not the End is my favorite out of all of them, and even though Hetfield's voice sounds tired, the music is very Metallica, without just sounding like a self ripoff. Vulturous sounds more like punk rock but I don't MIND it. Have you guys heard these songs?