Array
(
    [title] => Array
        (
            [0] => PIO 3.0 - 1
        )

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

    [content_type] => Array
        (
            [0] => Drum Solo
        )

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

)