======================== unified (from filesystem) ========================
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                                        'duration'  '51'
                                          'artist'  'Love Generation'
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                                      'lastfmtags'  "['swedish', 'pop', 'redone', 'girl groups', 'sweden']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '143.925'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'Psychedelic Promos Radio Spots Vol. 5'
'artist'                                            'Love Generation'
'bpm'                                               '143.925'
'comment'                                           'http://archive.org/details/PsychedelicPromosRadioSpotsVol.5'
'crc32'                                             '745eebe2'
'date'                                              '1970'
'encoder'                                           ['Lavc55.68.101 libvorbis', 'Lavf55.45.100']
'format'                                            'VBR MP3'
'genre'                                             'nonmusic-commercials'
'height'                                            '0'
'key'                                               '8A'
'lastfmtags'                                        ['swedish', 'pop', 'redone', 'girl groups', 'sweden']
'length'                                            '51.1'
'md5'                                               '7abd826102d4e1bced65f46f90016b2e'
'mtime'                                             '1407596820'
'q-bass'                                            '1'
'q-busy'                                            '3'
'q-chart'                                           '1'
'q-drums'                                           '1'
'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'                             '+1.87 dB'
'replaygain_track_peak'                             '0.529637'
'sha1'                                              '51187806b2c2ac63a67afbed0de5f9b564be7825'
'size'                                              '2044864'
'source'                                            'original'
'title'                                             'Hormel Hot Dogs Spot'
'tracknum'                                          '56'
'tracknumber'                                       '56'
'width'                                             '0'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0nonmusic/PsychedelicPromosRadioSpotsVol.5/56. Love Generation - Hormel Hot Dogs Spot.ogg
                                         'working'  None
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                                    'duration_sec'  51
                                           'genre'  nonmusic-commercials
                                        'filesize'  544759
                                           'mtime'  1620525874
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic PsychedelicPromosRadioSpotsVol.5 56. nonmusic commercials
                                      'tag_artist'  Love Generation
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 5
                                       'tag_title'  Hormel Hot Dogs Spot
                                             'bpm'  143.925
                                    'search_title'  'dogs':3 'hormel':1 'hot':2 'spot':4
                                   'search_artist'  'generation':2 'love':1
                                  'search_release'  '5':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
                                     'search_rest'  '0nonmusic':1 '5':3,14 '56':5,6 'commercials':8 'nonmusic':7 'promos':10 'psychedelic':9 'psychedelicpromosradiospotsvol':2 'psychedelicpromosradiospotsvol5':4 'radio':11 'spots':12 'vol':13 'vol5':15
                                    'search_combo'  '0nonmusic':14 '5':13C,16,27 '56':18,19 'commercials':21 'dogs':3A 'generation':6B 'hormel':1A 'hot':2A 'love':5B 'nonmusic':20 'promos':8C,23 'psychedelic':7C,22 'psychedelicpromosradiospotsvol':15 'psychedelicpromosradiospotsvol5':17 'radio':9C,24 'spot':4A 'spots':10C,25 'vol':11C,12C,26 'vol5':28
                                    'tag_tracknum'  56
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-bass-1', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  ['swedish', 'pop', 'redone', 'girl groups', 'sweden']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525873.563093  (2021-05-09 04:04:33)
                             'size'  544759