======================== unified (from filesystem) ========================
                                         'bitrate'  '188.008'
                                        'duration'  '244'
                                          'artist'  'Chamber'
                                     'text_people'  ''
                                         'release'  'Ghost Stories and Fairy-Tales'
                                           'title'  'The Truth About Snow-White'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['neoclassic', 'neoclassical', 'gothic', 'folk', 'acoustic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '120.4'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000002CF 000002E1 00000C38 00000D53 000269A3 00038163 0000403D 000040E9 '
 '000134F3 00015B72')
'TALB' (Album/Movie/Show title)                     'Ghost Stories and Fairy-Tales'
'TBPM' (BPM (beats per minute))                     '120.4'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'The Truth About Snow-White'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chamber'
'TRCK' (Track number/Position in set)               '10/12'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.83.01, LAME dll 3.95, VBR 3 (Default method), Joint Stereo, '
 'High quality')
'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'
'TXXX:lastfmtags'                                   ['neoclassic', 'neoclassical', 'gothic', 'folk', 'acoustic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.445082'

========================== row from database ==========================
                                              'id'  378362
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Chamber/Ghost Stories and Fairy-Tales/10 The Truth About Snow-White.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  244
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  5748189
                                           'mtime'  1620300939
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 eid goth gothrock gothrock
                                      'tag_artist'  Chamber
                                     'tag_release'  Ghost Stories and Fairy-Tales
                                       'tag_title'  The Truth About Snow-White
                                             'bpm'  120.4
                                    'search_title'  'about':3 'snow':4 'snowwhite':6 'the':1 'truth':2 'white':5
                                   'search_artist'  'chamber':1
                                  'search_release'  'and':3 'fairy':4 'fairytales':6 'ghost':1 'stories':2 'tales':5
                                     'search_rest'  'eid':1 'goth':2 'gothrock':3
                                    'search_combo'  'about':3A 'and':10C 'chamber':7B 'eid':14 'fairy':11C 'fairytales':13C 'ghost':8C 'goth':15 'gothrock':16 'snow':4A 'snowwhite':6A 'stories':9C 'tales':12C 'the':1A 'truth':2A 'white':5A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['neoclassic', 'neoclassical', 'gothic', 'folk', 'acoustic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620300939.1460419  (2021-05-06 13:35:39)
                             'size'  5748189