======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '260'
                                          'artist'  'Asian Dub Foundation'
                                     'text_people'  ''
                                         'release'  'Frontline 1993-97'
                                           'title'  'operation eagle lie'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic', 'breakbeat', 'dub', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-modern'
                                             'bpm'  '109.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Frontline 1993-97'
'TBPM' (BPM (beats per minute))                     '109.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-modern'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'operation eagle lie'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Asian Dub Foundation'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'breakbeat', 'dub', 'drum n bass']
'TXXX:lastfmtags'                                   ['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.07 dB'
'TXXX:replaygain_track_peak'                        '0.690245'

========================== row from database ==========================
                                              'id'  1266502
                                            'path'  /data/Music/Bulk/00localcharacter/Asian Dub Foundation/2001 - asian dub foundation - frontline 1993-97/11 - asian dub foundation - operation eagle lie.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  260
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-modern
                                        'filesize'  6265625
                                           'mtime'  1620522940
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2001 asian dub foundation frontline 11 asian dub foundation loc style reggae or dub or ska or dancehall dub modern
                                      'tag_artist'  Asian Dub Foundation
                                     'tag_release'  Frontline 1993-97
                                       'tag_title'  operation eagle lie
                                             'bpm'  109.5
                                    'search_title'  'eagle':2 'lie':3 'operation':1
                                   'search_artist'  'asian':1 'dub':2 'foundation':3
                                  'search_release'  '1993':2 '199397':4 '97':3 'frontline':1
                                     'search_rest'  '2001':1 'asian':2 'dancehall':11 'dub':3 'foundation':4 'frontline':5 'loc':6 'modern':12 'or':9 'reggae':8 'ska':10 'style':7
                                    'search_combo'  '1993':8C '199397':10C '2001':11 '97':9C 'asian':4B,12 'dancehall':21 'dub':5B,13 'eagle':2A 'foundation':6B,14 'frontline':7C,15 'lie':3A 'loc':16 'modern':22 'operation':1A 'or':19 'reggae':18 'ska':20 'style':17
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'trip hop', 'dub', 'electronic', 'hip hop']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'breakbeat', 'dub', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1620522940.0547645  (2021-05-09 03:15:40)
                             'size'  6265625