{
    "0xFF": {
        "id": 255,
        "name": "meta",
        "0x00": {
            "type_id": 0,
            "type_name": "sequence_number",
            "length": 2,
            "params": [
                "nmsb",
                "nlsb"
            ],
            "dtype": "int",
            "mask": [
                255,
                255
            ],
            "default" : [0, 0]
        },
        "0x01": {
            "type_id": 1,
            "type_name": "text_event",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "Enter the Text"
        },
        "0x02": {
            "type_id": 2,
            "type_name": "copyright_notice",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "No Copyright"
        },
        "0x03": {
            "type_id": 3,
            "type_name": "track_name",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "Track 0"
        },
        "0x04": {
            "type_id": 4,
            "type_name": "instrument_name",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "Piano"
        },
        "0x05": {
            "type_id": 5,
            "type_name": "lyrics",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "LYRICS"
        },
        "0x06": {
            "type_id": 6,
            "type_name": "marker",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "*"
        },
        "0x07": {
            "type_id": 7,
            "type_name": "cue_point",
            "length": -1,
            "params": "text",
            "dtype": "str",
            "mask": 127,
            "default" : "-"
        },
        "0x20": {
            "type_id": 32,
            "type_name": "midi_ch_prefix",
            "length": 1,
            "params": [
                "channel"
            ],
            "dtype": "int",
            "mask": [
                15
            ],
            "default" : [0]
        },
        "0x21": {
            "type_id": 33,
            "type_name": "midi_port",
            "length": 1,
            "params": [
                "port_no"
            ],
            "dtype": "int",
            "mask": [
                15
            ],
            "default" : [0]
        },
        "0x2F": {
            "type_id": 47,
            "type_name": "end_of_track",
            "length": 0,
            "params": null,
            "dtype": "None",
            "mask": 127,
            "default" : null
        },
        "0x51": {
            "type_id": 81,
            "type_name": "set_tempo",
            "length": 3,
            "params": [
                "musec_per_quat_note",
                "musec_per_quat_note",
                "musec_per_quat_note"
            ],
            "dtype": "int",
            "mask": [
                127,
                127,
                127
            ],
            "default" : [0, 0, 0]
        },
        "0x54": {
            "type_id": 84,
            "type_name": "smpte_offset",
            "length": 5,
            "params": [
                "hr",
                "min",
                "sec",
                "fr",
                "subfr"
            ],
            "dtype": "int",
            "mask": [
                24,
                60,
                60,
                30,
                100
            ],
            "default" : [0, 0 , 0, 0, 0]
        },
        "0x58": {
            "type_id": 88,
            "type_name": "time_sig",
            "length": 4,
            "params": [
                "numer",
                "denom",
                "metro",
                "32nds"
            ],
            "dtype": "int",
            "mask": [
                255,
                255,
                255,
                255
            ],
            "default" : [0, 0, 0, 0]
        },
        "0x59": {
            "type_id": 89,
            "type_name": "key_sig",
            "length": 2,
            "params": [
                "key",
                "scale"
            ],
            "dtype": "int",
            "mask": [
                15,
                1
            ],
            "default" : [0, 1]
        },
        "0x7F": {
            "type_id": 127,
            "type_name": "sequence_specifier",
            "length": -1,
            "params": "text",
            "dtype": "any",
            "mask": 127,
            "default" : [0]
        }
    }
}