======================== unified (from filesystem) ========================
                                         'bitrate'  '217.6'
                                        'duration'  '215'
                                          'artist'  'Mike + The Mechanics'
                                     'text_people'  ''
                                         'release'  'R-Kive (CD3)'
                                           'title'  'Over My Shoulder'
                                           'quals'  ("['q-grit-2', 'q-busy-3', 'q-other-2', 'q-unu-1', 'q-syn-2', 'q-jzfks-1', "
 "'q-drums-3', 'q-vocals-4', 'q-chart-4', 'q-bass-3', 'q-mixbeat-2', "
 "'q-piano-1', 'q-play-2', 'q-hhrnbtt-1', 'q-oldst-3', 'q-localness-1']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', 'classic rock', 'progressive rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '93.4'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'R-Kive (CD3)'
'artist'                                            'Mike + The Mechanics'
'bpm'                                               '93.4'
'comment'                                           'ExactAudioCopy v1.0b3'
'date'                                              '2014'
'discid'                                            'B912950E'
'genre'                                             'rock-unsorted'
'key'                                               '5B'
'lastfmtags'                                        ['80s', 'rock', 'pop', 'classic rock', 'progressive rock']
'q-bass'                                            '3'
'q-busy'                                            '3'
'q-chart'                                           '4'
'q-drums'                                           '3'
'q-grit'                                            '2'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '2'
'q-oldst'                                           '3'
'q-other'                                           '2'
'q-piano'                                           '1'
'q-play'                                            '2'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'replaygain_track_gain'                             '-7.03 dB'
'replaygain_track_peak'                             '0.758789'
'title'                                             'Over My Shoulder'
'tracknumber'                                       '9'
'tracktotal'                                        '14'

========================== row from database ==========================
                                              'id'  1385811
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/09. Mike + The Mechanics - Over My Shoulder.ogg
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  215
                                           'genre'  rock-unsorted
                                        'filesize'  6055527
                                           'mtime'  1620392242
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09. rock unsorted
                                      'tag_artist'  Mike + The Mechanics
                                     'tag_release'  R-Kive (CD3)
                                       'tag_title'  Over My Shoulder
                                             'bpm'  93.4
                                    'search_title'  'my':2 'over':1 'shoulder':3
                                   'search_artist'  'mechanics':3 'mike':1 'the':2
                                  'search_release'  'cd3':4,5 'kive':2 'r':1 'rkive':3
                                     'search_rest'  '00poprockelectronic':1 '09':7,8 'files':5,6 'loose':3,4 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '09':18,19 'cd3':10C,11C 'files':16,17 'kive':8C 'loose':14,15 'mechanics':6B 'mike':4B 'my':2A 'over':1A 'r':7C 'rkive':9C 'rock':20 'shoulder':3A 'the':5B 'unsorted':13
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['q-mixbeat-2', 'q-chart-4', 'q-other-2', 'q-oldst-3', 'q-grit-2', '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-bass-3', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  ['80s', 'rock', 'pop', 'classic rock', 'progressive rock']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392242.2325368  (2021-05-07 14:57:22)
                             'size'  6055527