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Lady Gaga on Twitter: "See you at the Grammys. 🤘#MetalliGa @Metallica 🦋🔥 https://t.co/asIALPRrPC" / Twitter
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Lady Gaga Overcomes Technical Difficulties, Moshes in High-Octane Grammys Performance with Metallica | Vanity Fair
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Lady Gaga Crowd Surfs During Grammys 2017 Performance with Metallica! (Video): Photo 3858563 | 2017 Grammys, Grammys, James Hetfield, Lady Gaga, Metallica Photos | Just Jared: Entertainment News
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Metallica reveals how they decided on Lady Gaga duet for Grammy Awards 2017: 'She said 'yes,' took about 12 seconds' - ABC News
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