 Worst Party Ever | 🇯🇵 Japan | — | — | — | 0 | 1 | 4 | — | Go 2020 |
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   Wretched Fate | 🇸🇪 Sweden | — | 2016 | Death Metal | 2 | 1 | 25 | — | Incineration of the Pious 2024 |
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    Wristmeetrazor | 🇺🇸 United States | — | 2017 | Metalcore / Emo | 3 | 2 | 41 | — | Degeneration 2024 |
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| X X-Acto | 🇵🇹 Portugal | — | 1991 | — | 1 | 0 | 19 | — | Benefit 1997 |
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 xAFBx | 🇺🇸 United States | — | 2003 | — | 0 | 1 | 7 | — | Stronger Than All 2008 |
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 Xasthur | 🇺🇸 United States | — | 1995 | Atmospheric Black Metal / Black Metal | 1 | 0 | 6 | — | Xasthur / Leviathan 2004 |
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 Xenophobia | 🇸🇮 Slovenia | — | 1988 | Death Metal | 0 | 1 | 4 | — | Cronology of Death 1991 |
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    Xoth | 🇺🇸 United States | — | 2014 | Thrash Metal / Black Metal | 3 | 1 | 31 | — | Exogalactic 2023 |
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    Yacøpsæ | 🇩🇪 Germany | — | 1990 | Grindcore / Powerviolence | 6 | 11 | 283 | — | Ultra Thrash Noise Cranium Meltdown 1″ Split E.P. 2020 |
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 Yautja | 🇺🇸 United States | — | 2010 | Death Metal / Grindcore | 0 | 1 | 4 | — | Yautja / Chepang 2021 |
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 Year of No Light | 🇫🇷 France | — | 2001 | Black Metal / Doom Metal | 0 | 1 | 2 | — | Møn / Light Through a Tomb 2012 |
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    Yellow Eyes | 🇺🇸 United States | — | 2010 | Black Metal / Atmospheric Black Metal | 7 | 2 | 56 | — | Confusion Gate 2025 |
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 Your Kingdom Is Doomed! | — | — | 2002 | Grindcore | 0 | 1 | 7 | — | Yacøpsæ / Your Kingdom Is Doomed!: Dezenfekte 2006 |
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 Zanussi | 🇪🇸 Spain | — | — | — | 0 | 1 | 13 | — | Looking for an Answer / Zanussi 2006 |
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    Zao | 🇺🇸 United States | — | 1993 | Metalcore / Heavy Metal | 12 | 7 | 144 | — | Pillars 2026 |
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 ZOA | 🇯🇵 Japan | — | 1984 | Psychedelic Rock | 1 | 0 | 1 | — | リフレイン 2020 |
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 Zombie Ritual | 🇯🇵 Japan | — | 2003 | Black Metal / Death Metal | 0 | 1 | 9 | — | Evil Hellbangers 2 2010 |
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   Ænigmatum | 🇺🇸 United States | — | 2017 | Black Metal / Death Metal | 3 | 0 | 20 | — | Infinitude’s Passage 2026 |
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    Æther Realm | 🇺🇸 United States | — | 2010 | Melodic Death Metal / Folk Metal | 4 | 1 | 39 | 5.0 / 5.0 | Redneck Vikings From Hell 2020 |
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 Αχέροντας | 🇬🇷 Greece | — | 2007 | Black Metal / Dark Ambient | 2 | 0 | 11 | — | Sic Luceat Lux 2009 |
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    …And You Will Know Us by the Trail of Dead | 🇺🇸 United States | — | 1994 | Alternative Rock / Indie Rock | 11 | 5 | 156 | — | XI: Bleed Here Now 2022 |
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 冬蟲夏草 | 🇯🇵 Japan | — | — | Blackgaze / Hardcore Punk | 0 | 1 | 4 | — | Two 2019 |
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 地狱火 | 🇨🇳 China | — | 2007 | — | 0 | 1 | 16 | — | Sabbatical Hellfirexecution 2017 |
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    明日の叙景 | 🇯🇵 Japan | — | 2014 | Blackgaze / Post-Hardcore | 3 | 4 | 43 | — | Think of You 2025 |
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   栗原ミチオ | 🇯🇵 Japan | — | — | Drone / Noise | 3 | 0 | 13 | — | Rainbow 2 2026 |
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