======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '375'
                                          'artist'  'Four Cellos'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Harvester Of Sorrow'
                                           'quals'  ("['q-bass-1', 'q-vocals-1', 'q-play-2', 'q-unu-1', 'q-busy-2', 'q-piano-1', "
 "'q-jzfks-1', 'q-oldst-1', 'q-chart-3', 'q-grit-2', 'q-hhrnbtt-1', "
 "'q-drums-1', 'q-other-4', 'q-mixbeat-1', 'q-hap-3', 'q-syn-1', "
 "'q-localness-1']")
                                      'lastfmtags'  "['instrument']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments;mi-strings-violin'
                                             'bpm'  '85.815'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'artist'                                            'Four Cellos'
'bpm'                                               '85.815'
'genre'                                             ['prerock-classical or classical instruments', 'mi-strings-violin']
'key'                                               '9A'
'lastfmtags'                                        'instrument'
'q-bass'                                            '1'
'q-busy'                                            '2'
'q-chart'                                           '3'
'q-drums'                                           '1'
'q-grit'                                            '2'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '1'
'q-oldst'                                           '1'
'q-other'                                           '4'
'q-piano'                                           '1'
'q-play'                                            '2'
'q-syn'                                             '1'
'q-unu'                                             '1'
'q-vocals'                                          '1'
'replaygain_track_gain'                             '-3.21 dB'
'replaygain_track_peak'                             '0.853922'
'title'                                             'Harvester Of Sorrow'
'tracknumber'                                       '03'

========================== row from database ==========================
                                              'id'  940115
                                            'path'  /data/Music/Bulk/00instruments-classical/PlaysMetallicaByFourCellos/03 - Harvester Of Sorrow.ogg
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  375
                                           'genre'  prerock-classical or classical instruments;mi-strings-violin
                                        'filesize'  8676912
                                           'mtime'  1620528087
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical PlaysMetallicaByFourCellos 03 prerock classical classical instruments;mi strings violin
                                      'tag_artist'  Four Cellos
                                     'tag_release'  None
                                       'tag_title'  Harvester Of Sorrow
                                             'bpm'  85.815
                                    'search_title'  'harvester':1 'of':2 'sorrow':3
                                   'search_artist'  'cellos':2 'four':1
                                  'search_release'  
                                     'search_rest'  '00instruments':1 'by':13 'cellos':15 'classical':2 'four':14 'instruments':5,7 'metallica':12 'mi':6,8 'plays':11 'playsmetallicabyfourcellos':3 'prerock':4 'strings':9 'violin':10
                                    'search_combo'  '00instruments':6 'by':18 'cellos':5B,20 'classical':7 'four':4B,19 'harvester':1A 'instruments':10,12 'metallica':17 'mi':11,13 'of':2A 'plays':16 'playsmetallicabyfourcellos':8 'prerock':9 'sorrow':3A 'strings':14 'violin':15
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['q-mixbeat-1', 'q-chart-3', 'q-other-4', 'q-oldst-1', 'q-grit-2', 'q-vocals-1', 'q-drums-1', 'q-busy-2', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-1', 'q-piano-1', 'q-play-2', 'q-bass-1', 'q-hap-3', 'q-unu-1']
                                      'lastfmtags'  ['instrument']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528087.2032835  (2021-05-09 04:41:27)
                             'size'  8676912