======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '293'
                                          'artist'  'Cornelius'
                                     'text_people'  ''
                                         'release'  'Fantasma'
                                           'title'  'Thank You For The Music'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'shibuya kei', 'alternative', 'electronic', 'japanese']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'synth-pop', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-shibuyakei;set-pl-sced'
                                             'bpm'  '90.858'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001618 000019B7 00004466'
'COMM:iTunNORM:eng'                                 (' 00001618 000019B7 00004466 0000590B 00030D57 000382B5 00008000 00008000 '
 '0000EA77 00007530')
'TALB' (Album/Movie/Show title)                     'Fantasma'
'TBPM' (BPM (beats per minute))                     '90.858'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-shibuyakei', 'set-pl-sced']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Thank You For The Music'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cornelius'
'TPE2' (Band/orchestra/accompaniment)               'Cornelius'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'leftfield', 'synth-pop', 'indie rock']
'TXXX:lastfmtags'                                   ['electronica', 'shibuya kei', 'alternative', 'electronic', 'japanese']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.429473'

========================== row from database ==========================
                                              'id'  928963
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Cornelius/[1997] Fantasma/12 Thank You For The Music.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  293
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-shibuyakei;set-pl-sced
                                        'filesize'  9570466
                                           'mtime'  1628353982
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [1997] 12 loc asia japan;loc asia japan jrock shibuyakei;set pl sced
                                      'tag_artist'  Cornelius
                                     'tag_release'  Fantasma
                                       'tag_title'  Thank You For The Music
                                             'bpm'  90.858
                                    'search_title'  'for':3 'music':5 'thank':1 'the':4 'you':2
                                   'search_artist'  'cornelius':1
                                  'search_release'  'fantasma':1
                                     'search_rest'  '00asia':1 '1997':2,3 'asia':5 'japan':6,8,10 'jrock':11 'loc':4,7,9 'pl':16 'sced':17 'set':13,15 'shibuyakei':12,14
                                    'search_combo'  '00asia':8 '1997':9,10 'asia':12 'cornelius':6B 'fantasma':7C 'for':3A 'japan':13,15,17 'jrock':18 'loc':11,14,16 'music':5A 'pl':23 'sced':24 'set':20,22 'shibuyakei':19,21 'thank':1A 'the':4A 'you':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'shibuya kei', 'alternative', 'electronic', 'japanese']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'synth-pop', 'indie rock']

============================== file details ==============================
                                           'mtime'  1628353981.8542206  (2021-08-07 18:33:01)
                             'size'  9570466