   Throwdown | 🇺🇸 United States | — | 1997 | Alternative Metal / Heavy Metal | 7 | 6 | 121 | — | Intolerance 2014 |
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 thrown | 🇸🇪 Sweden | — | 2019 | Beatdown Hardcore | 1 | 1 | 16 | — | EXCESSIVE GUILT 2024 |
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   Thursday | 🇺🇸 United States | — | 1997 | Emo / Post-Hardcore | 6 | 3 | 84 | — | No Devolución 2011 |
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   Thy Art Is Murder | 🇦🇺 Australia | — | 2005 | Deathcore / Death Metal | 6 | 3 | 79 | — | Godlike 2023 |
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Thy Darkened Shade | 🇬🇷 Greece | — | 1999 | Black Metal / Progressive Metal | 1 | 0 | 4 | — | Abigor / Nightbringer / Thy Darkened Shade / Mortuus 2017 |
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Tigers Jaw | 🇺🇸 United States | — | 2005 | Emo / Indie Rock | 0 | 1 | 4 | — | Tigers Jaw / The World Is a Beautiful Place & I Am No Longer Afraid to Die / Code Orange Kids / Self Defense Family 2013 |
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Tiktaalika | 🇬🇧 United Kingdom | — | 2025 | — | 1 | 0 | 8 | — | Gods of Pangaea 2025 |
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   Tiny Moving Parts | 🇺🇸 United States | — | 2008 | Emo / Screamo | 9 | 4 | 99 | 5.0 / 5.0 | Deep in the Blue 2024 |
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   Title Fight | 🇺🇸 United States | — | 2003 | Dream Pop / Emo | 3 | 5 | 55 | — | Hyperview 2015 |
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   To the Grave | 🇦🇺 Australia | — | 2010 | Deathcore / Death Metal | 6 | 4 | 84 | 5.0 / 5.0 | Liberation Front 2026 |
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To The Point | 🇺🇸 United States | — | 2012 | Grindcore / Powerviolence | 0 | 1 | 11 | — | Antichrist Demoncore / To The Point 2013 |
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Todos Caeran | 🇨🇦 Canada | — | 2006 | — | 0 | 1 | 7 | — | Mahria | Todos Caeran 2011 |
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| T Toetag | 🇺🇸 United States | — | 2008 | Metalcore | 0 | 1 | 6 | — | Split 2008 |
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   Together to the Stars | 🇸🇪 Sweden | — | 2015 | Atmospheric Black Metal / Blackgaze | 4 | 0 | 23 | — | Iridescence 2026 |
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   Tomb Mold | 🇨🇦 Canada | — | 2015 | Death Metal / Progressive Metal | 4 | 1 | 32 | — | The Enduring Spirit 2023 |
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  Tombstoner | 🇺🇸 United States | — | 2019 | Death Metal / Brutal Death Metal | 2 | 1 | 26 | — | Rot Stink Rip 2024 |
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   Too Close to Touch | 🇺🇸 United States | — | 2012 | Alternative Rock / Post-Hardcore | 3 | 5 | 45 | 5.0 / 5.0 | For Keeps 2024 |
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   Tool | 🇺🇸 United States | — | 1990 | Alternative Metal / Progressive Metal | 5 | 1 | 66 | — | Fear Inoculum 2019 |
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Tools of the Trade | 🇸🇬 Singapore | — | 2004 | Grindcore / Powerviolence | 0 | 1 | 8 | — | Endless Swarm / Tools of the Trade 2017 |
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Torche | 🇺🇸 United States | — | 2004 | Doom Metal / Psychedelic Rock | 0 | 1 | 2 | — | Chapter Ahead Being Fake 2009 |
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   Torture Rack | 🇺🇸 United States | — | 2012 | Death Metal / Deathgrind | 3 | 1 | 34 | — | Primeval Onslaught 2023 |
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 Total Fucking Destruction | 🇺🇸 United States | — | 1999 | Grindcore | 0 | 2 | 10 | — | Frontside Nosegrind EP 2007 |
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  Totem Skin | 🇸🇪 Sweden | — | 2012 | Hardcore Punk / D-Beat | 2 | 2 | 26 | — | Weltschmerz 2015 |
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   Touché Amoré | 🇺🇸 United States | — | 2007 | Post-Hardcore / Screamo | 7 | 7 | 104 | — | Spiral in a Straight Line 2024 |
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   Toundra | 🇪🇸 Spain | — | 2007 | Post-Rock / Post-Metal | 8 | 1 | 58 | — | Siete 2026 |
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   Training for Utopia | 🇺🇸 United States | — | 1996 | Math Rock | 2 | 2 | 29 | — | Throwing a Wrench Into the American Music Machine 1999 |
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   Trap Them | 🇺🇸 United States | — | 2001 | Grindcore / Death Metal | 5 | 5 | 74 | — | Crown Feral 2016 |
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Trenchrot | 🇺🇸 United States | — | — | Crust Punk / Death Metal | 1 | 0 | 10 | — | 4 Doors to Death 2016 |
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Treponem Pal | 🇫🇷 France | — | 1989 | — | 0 | 1 | 5 | — | The Breed Beyond 1993 |
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Trhä | 🇺🇸 United States | — | 2020 | — | 0 | 1 | 2 | — | Saidan / Trhä 2025 |
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   Tribal Gaze | 🇺🇸 United States | — | 2020 | Death Metal | 2 | 2 | 33 | — | Inveighing Brilliance 2025 |
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   Tribulation | 🇸🇪 Sweden | — | 2004 | Death Metal / Gothic Metal | 6 | 5 | 79 | — | Sub rosa in æternum 2024 |
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   Triosphere | 🇳🇴 Norway | — | 2004 | Power Metal | 4 | 0 | 50 | — | Oceans Above, Stars Below 2026 |
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   Trivium | 🇺🇸 United States | — | 2000 | Melodic Metalcore / Metalcore | 10 | 3 | 139 | — | Struck Dead 2025 |
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   Trna | 🇷🇺 Russia | — | 2014 | Atmospheric Black Metal / Black Metal | 4 | 0 | 16 | — | Istok 2021 |
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   Tsjuder | 🇳🇴 Norway | — | 1993 | Black Metal | 6 | 2 | 61 | — | Helvegr 2023 |
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Tumult | 🇩🇪 Germany | — | 1997 | Grindcore | 0 | 1 | 13 | — | Yacøpsæ / Tumult 2000 |
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   Turmoil | 🇺🇸 United States | — | 1992 | — | 2 | 2 | 30 | — | The Process Of... 1999 |
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   Turnover | 🇺🇸 United States | — | 2009 | Indie Rock / Emo | 6 | 4 | 83 | — | Down on Earth 2026 |
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   Turnstile | 🇺🇸 United States | — | 2010 | Hardcore Punk / Alternative Rock | 4 | 5 | 74 | — | Never Enough Versions 2025 |
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  Twelve Tribes | 🇺🇸 United States | — | 1997 | Metalcore | 3 | 1 | 36 | — | Midwest Pandemic 2006 |
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   Type O Negative | 🇺🇸 United States | — | 1989 | Gothic Metal / Heavy Metal | 7 | 0 | 81 | — | Dead Again 2007 |
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   Tyrants Blood | 🇨🇦 Canada | — | 2006 | Black Metal / Death Metal | 4 | 1 | 42 | — | Into the Kingdom of Graves 2013 |
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  Tzompantli | 🇺🇸 United States | — | 2019 | Death Doom Metal / Death Metal | 2 | 1 | 18 | — | Beating the Drums of Ancestral Force 2024 |
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  Tómarúm | 🇺🇸 United States | — | 2017 | Progressive Metal / Technical Death Metal | 2 | 1 | 18 | 4.5 / 5.0 | Beyond Obsidian Euphoria 2025 |
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   UADA | 🇺🇸 United States | — | 2014 | Black Metal | 5 | 0 | 29 | — | Interwoven 2026 |
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   Ulcerate | 🇳🇿 New Zealand | — | 2000 | Dissonant Death Metal / Technical Death Metal | 7 | 0 | 56 | 5.0 / 5.0 | Cutting the Throat of God 2024 |
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   Ultha | 🇩🇪 Germany | — | 2014 | Black Metal / Ambient | 7 | 6 | 62 | — | A Light So Dim 2026 |
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   Ulthar | 🇺🇸 United States | — | 2014 | Death Metal / Black Metal | 4 | 0 | 24 | — | Anthronomicon 2023 |
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   Unanimated | 🇸🇪 Sweden | — | 1986 | Death Metal / Melodic Death Metal | 4 | 1 | 48 | — | Victory in Blood 2021 |
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