======================== unified (from filesystem) ========================
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                                        'duration'  '53'
                                          'artist'  '[unknown]'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  ''
                                      'tracktotal'  ''
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                                        'comments'  ''
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                                             'bpm'  '126.568'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'Psychedelic Promos Radio Spots Vol. 8'
'artist'                                            '[unknown]'
'bpm'                                               '126.568'
'comment'                                           'http://archive.org/details/PsychedelicPromosRadioSpotsVol.8'
'crc32'                                             '199e34f4'
'date'                                              '1970'
'encoder'                                           ['Lavc55.68.101 libvorbis', 'Lavf55.45.100']
'format'                                            'VBR MP3'
'genre'                                             ['nonmusic-commercials', 'set-pl-shirleyspinoza', 'set-pl-mor']
'height'                                            '0'
'key'                                               '2A'
'length'                                            '53.58'
'md5'                                               '8833dceda2ef8b45d034fb5bf539b718'
'mtime'                                             '1407631272'
'q-bass'                                            '4'
'q-busy'                                            '3'
'q-chart'                                           '1'
'q-drums'                                           '3'
'q-grit'                                            '1'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '1'
'q-oldst'                                           '2'
'q-other'                                           '2'
'q-piano'                                           '1'
'q-play'                                            '2'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'replaygain_track_gain'                             '-6.16 dB'
'replaygain_track_peak'                             '0.995116'
'sha1'                                              'd25352a0112b79e14778cf6f1a6d60659672169d'
'size'                                              '2144129'
'source'                                            'original'
'title'                                             "'Dragonfly' LP ad"
'tracknum'                                          '57'
'width'                                             '0'

========================== row from database ==========================
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                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  53
                                           'genre'  nonmusic-commercials;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  422255
                                           'mtime'  1620527728
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                                      'tag_artist'  [unknown]
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 8
                                       'tag_title'  'Dragonfly' LP ad
                                             'bpm'  126.568
                                    'search_title'  'ad':4 'dragonfly':1,2 'lp':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '8':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
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                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['q-mixbeat-1', 'q-chart-1', 'q-oldst-2', 'q-grit-1', 'q-hap-3', 'q-drums-3', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-2', 'q-other-2', 'q-bass-4', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527728.4526498  (2021-05-09 04:35:28)
                             'size'  422255