Hier ist eine Beispiel-JSON-Liste von 20 bekannten Metal-Bands mit den genannten Feldern:
{
    "bands": [
        {
            "bassist": "Robert Trujillo",
            "country": "United States",
            "drummer": "Lars Ulrich",
            "guitarist": [
                "Kirk Hammett",
                "James Hetfield"
            ],
            "name": "Metallica",
            "subgenre": "Thrash Metal",
            "vocalist": "James Hetfield",
            "year_formed": 1981
        },
        {
            "bassist": "Steve Harris",
            "country": "United Kingdom",
            "drummer": "Nicko McBrain",
            "guitarist": [
                "Janick Gers",
                "Adrian Smith",
                "Dave Murray"
            ],
            "name": "Iron Maiden",
            "subgenre": "Heavy Metal",
            "vocalist": "Bruce Dickinson",
            "year_formed": 1975
        },
        {
            "bassist": "Geezer Butler",
            "country": "United Kingdom",
            "drummer": "Bill Ward",
            "guitarist": [
                "Tony Iommi",
                "Tommy Clufetos"
            ],
            "name": "Black Sabbath",
            "subgenre": "Doom Metal",
            "vocalist": "Ozzy Osbourne",
            "year_formed": 1968
        },
        {
            "bassist": "Tom Araya",
            "country": "United States",
            "drummer": "Paul Bostaph",
            "guitarist": [
                "Gary Holt",
                "Kerry King"
            ],
            "name": "Slayer",
            "subgenre": "Thrash Metal",
            "vocalist": "Tom Araya",
            "year_formed": 1981
        },
        {
            "bassist": "Ian Hill",
            "country": "United Kingdom",
            "drummer": "Scott Travis",
            "guitarist": [
                "Glenn Tipton",
                "Richie Faulkner"
            ],
            "name": "Judas Priest",
            "subgenre": "Heavy Metal",
            "vocalist": "Rob Halford",
            "year_formed": 1969
        },
        {
            "bassist": "Rex Brown",
            "country": "United States",
            "drummer": "Vinnie Paul",
            "guitarist": [
                "Dimebag Darrell",
                "Vinnie Paul"
            ],
            "name": "Pantera",
            "subgenre": "Groove Metal",
            "vocalist": "Phil Anselmo",
            "year_formed": 1981
        },
        {
            "bassist": "David Ellefson",
            "country": "United States",
            "drummer": "Dirk Verbeuren",
            "guitarist": [
                "Kiko Loureiro",
                "Dave Mustaine"
            ],
            "name": "Megadeth",
            "subgenre": "Thrash Metal",
            "vocalist": "Dave Mustaine",
            "year_formed": 1983
        },
        {
            "bassist": "Paulo Jr.",
            "country": "Brazil",
            "drummer": "Eloy Casagrande",
            "guitarist": [
                "Andreas Kisser",
                "Eloy Casagrande"
            ],
            "name": "Sepultura",
            "subgenre": "Thrash Metal",
            "vocalist": "Derrick Green",
            "year_formed": 1984
        },
        {
            "bassist": "Alessandro Venturella",
            "country": "United States",
            "drummer": "Jay Weinberg",
            "guitarist": [
                "Jim Root",
                "Mick Thomson"
            ],
            "name": "Slipknot",
            "subgenre": "Nu-Metal",
            "vocalist": "Corey Taylor",
            "year_formed": 1995
        },
        {
            "bassist": "Lemmy Kilmister",
            "country": "United Kingdom",
            "drummer": "Mikkey Dee",
            "guitarist": [
                "Phil Campbell",
                "Mikkey Dee"
            ],
            "name": "Motorhead",
            "subgenre": "Heavy Metal",
            "vocalist": "Lemmy Kilmister",
            "year_formed": 1975
        },
        {
            "bassist": "Oliver Riedel",
            "country": "Germany",
            "drummer": "Christoph Schneider",
            "guitarist": [
                "Richard Z. Kruspe",
                "Paul Landers"
            ],
            "name": "Rammstein",
            "subgenre": "Industrial Metal",
            "vocalist": "Till Lindemann",
            "year_formed": 1994
        },
        {
            "bassist": "Justin Chancellor",
            "country": "United States",
            "drummer": "Danny Carey",
            "guitarist": [
                "Adam Jones",
                "Billy Howerdel"
            ],
            "name": "Tool",
            "subgenre": "Progressive Metal",
            "vocalist": "Maynard James Keenan",
            "year_formed": 1990
        },
        {
            "bassist": "Shavo Odadjian",
            "country": "United States",
            "drummer": "John Dolmayan",
            "guitarist": [
                "Daron Malakian",
                "John Dolmayan"
            ],
            "name": "System of a Down",
            "subgenre": "Nu-Metal",
            "vocalist": "Serj Tankian",
            "year_formed": 1994
        },
        {
            "bassist": "Martin Mendez",
            "country": "Sweden",
            "drummer": "Martin Axenrot",
            "guitarist": [
                "Fredrik Åkesson",
                "Mikael Akerfeldt"
            ],
            "name": "Opeth",
            "subgenre": "Progressive Metal",
            "vocalist": "Mikael Akerfeldt",
            "year_formed": 1989
        },
        {
            "bassist": "Johnny Christ",
            "country": "United States",
            "drummer": "Brooks Wackerman",
            "guitarist": [
                "Synyster Gates",
                "Zacky Vengeance"
            ],
            "name": "Avenged Sevenfold",
            "subgenre": "Metalcore",
            "vocalist": "M. Shadows",
            "year_formed": 1999
        },
        {
            "bassist": "Reginald Arvizu",
            "country": "United States",
            "drummer": "Ray Luzier",
            "guitarist": [
                "James Shaffer",
                "Brian Welch"
            ],
            "name": "Korn",
            "subgenre": "Nu-Metal",
            "vocalist": "Jonathan Davis",
            "year_formed": 1993
        },
        {
            "bassist": "John Campbell",
            "country": "United States",
            "drummer": "Art Cruz",
            "guitarist": [
                "Mark Morton",
                "Willie Adler"
            ],
            "name": "Lamb of God",
            "subgenre": "Groove Metal",
            "vocalist": "Randy Blythe",
            "year_formed": 1994
        },
        {
            "bassist": "Dick Lövgren",
            "country": "Sweden",
            "drummer": "Tomas Haake",
            "guitarist": [
                "Fredrik Thordendal",
                "Mårten Hagström"
            ],
            "name": "Meshuggah",
            "subgenre": "Djent",
            "vocalist": "Jens Kidman",
            "year_formed": 1987
        },
        {
            "bassist": "Henkka T. Blacksmith",
            "country": "Finland",
            "drummer": "Jaska Raatikainen",
            "guitarist": [
                "Alexi Laiho",
                "Jaska Raatikainen"
            ],
            "name": "Children of Bodom",
            "subgenre": "Melodic Death Metal",
            "vocalist": "Alexi Laiho",
            "year_formed": 1993
        },
        {
            "bassist": "Björn Gelotte",
            "country": "Sweden",
            "drummer": "Tanner Wayne",
            "guitarist": [
                "Björn Gelotte",
                "Niclas Engelin"
            ],
            "name": "In Flames",
            "subgenre": "Melodic Death Metal",
            "vocalist": "Anders Fridén",
            "year_formed": 1990
        }
    ]
}
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