======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '239'
                                          'artist'  'Beborn Beton'
                                     'text_people'  ''
                                         'release'  'The Greatest Hits'
                                           'title'  'New Born King'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '142.809'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Greatest Hits'
'TBPM' (BPM (beats per minute))                     '142.809'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'New Born King'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beborn Beton'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.380047'

========================== row from database ==========================
                                              'id'  1396748
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Beborn Beton/2000-The Greatest Hits/11-New Born King.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  239
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  5751242
                                           'mtime'  1620296587
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 2000 11 eid ebm industrial darkwave futurepop
                                      'tag_artist'  Beborn Beton
                                     'tag_release'  The Greatest Hits
                                       'tag_title'  New Born King
                                             'bpm'  142.809
                                    'search_title'  'born':2 'king':3 'new':1
                                   'search_artist'  'beborn':1 'beton':2
                                  'search_release'  'greatest':2 'hits':3 'the':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '2000':6 'darkwave':4 'ebm':8 'eid':7 'futurepop':9 'goth':5 'industrial':3
                                    'search_combo'  '00dwimp':9 '00ebm':10 '2000':14 'beborn':4B 'beton':5B 'born':2A 'darkwave':12 'ebm':16 'eid':15 'futurepop':17 'goth':13 'greatest':7C 'hits':8C 'industrial':11 'king':3A 'new':1A 'the':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620296586.714395  (2021-05-06 12:23:06)
                             'size'  5751242