qmk_firmware/keyboards/handwired/dc/mc/001/info.json

{
    "keyboard_name": "DC MC 001",
    "manufacturer": "Daniel Cormier",
    "url": "https://imgur.com/a/PM9lQ",
    "maintainer": "Daniel Cormier (Twitter: @danielcormier)",
    "usb": {
        "vid": "0x4443",
        "pid": "0x4D43",
        "device_version": "0.0.1"
    },
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"label": "Mute", "x": 0, "y": 0},
                {"label": "Stop", "x": 1, "y": 0},
                {"label": "Previous", "x": 2, "y": 0},
                {"label": "Next", "x": 3, "y": 0},
                {"label": "Play/Pause", "x": 4, "y": 0}
            ]
        }
    }
}