[
    {
        "name": "Piano",
        "history": "The piano was invented in 1700 by Bartolomeo Cristofori in Italy.",
        "specs": {
            "type": [
                "Baby Grand",
                "Parlor Grand",
                "Concert Grand"
            ],
            "category": [
                "61 keys",
                "76 keys",
                "88 keys"
            ]
        },
        "famous_brands": [
            "Steinway & Sons",
            "Yamaha",
            "Bosendorfer"
        ]
    },
    {
        "name": "Guitar",
        "history": "Originated in Spain in the 15th century and evolved over centuries.",
        "specs": {
            "type": [
                "Acoustic",
                "Electric",
                "Classical"
            ],
            "category": [
                "6 strings",
                "12 strings",
                "7 strings"
            ]
        },
        "famous_brands": [
            "Fender",
            "Gibson",
            "Tyler"
        ]
    },
    {
        "name": "Ukulele",
        "history": "The ukulele originated in Hawaii in the late 19th century, based on Portuguese instruments.",
        "specs": {
            "type": [
                "Soprano",
                "Concert",
                "Tenor"
            ],
            "category": [
                "4 strings",
                "6 strings"
            ]
        },
        "famous_brands": [
            "Kamaka",
            "Lanikai",
            "Kala"
        ]
    }
]