======================== unified (from filesystem) ========================
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rest: ''

======================== rawer (from filesystem) ========================

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'artist'                                            'Beach  Boys Dance Dance Dance'
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'mtime'                                             '1407600872'
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'source'                                            'original'
'title'                                             'Promo Spot (Brian)'
'tracknum'                                          '54'
'tracknumber'                                       '54'
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                                       'tag_title'  Promo Spot (Brian)
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                                    'tag_tracknum'  54
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['q-mixbeat-1', 'q-chart-1', 'q-oldst-2', 'q-grit-1', 'q-hap-3', 'q-drums-1', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-2', 'q-other-3', 'q-bass-1', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
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