Array
(
    [title] => Array
        (
            [0] => Song 2
        )

    [artist] => Array
        (
            [0] => ZOMG
        )

    [album] => Array
        (
            [0] => ZOMG
        )

    [recording_time] => Array
        (
            [0] => 2007
        )

    [track_number] => Array
        (
            [0] => 2
        )

    [content_type] => Array
        (
            [0] => Other
        )

    [year] => Array
        (
            [0] => 2007
        )

)