======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'Plastic Tree'
                                     'text_people'  ''
                                         'release'  'Chandelier'
                                           'title'  'Sentiment Machine'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jrock', 'visual kei', 'japanese', 'rock', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '111.886'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         [' 00003CA5 00001E40 00013CAF 00009B99 00010FA1 00027429 00009141 00009414 '
 '00014DAC 00006F1F',
 ' 00000000 00000210 000006F0 0000000000A1F700 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            ' 00003CA5 00001E40 00013CAF'
'COMM:iTunNORM:eng'                                 (' 000021B0 00002A10 00005CE9 000077D3 00027117 00022325 00008000 00008000 '
 '00004E37 00004E37')
'TALB' (Album/Movie/Show title)                     'Chandelier'
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         'Sentiment Machine'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Plastic Tree'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.367541'

========================== row from database ==========================
                                              'id'  1363917
                                            'path'  /data/Music/Bulk/00localcharacter/Plastic Tree/Chandelier/10 Sentiment Machine.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  3854098
                                           'mtime'  1637330177
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 10 loc asia japan;loc asia japan jrock
                                      'tag_artist'  Plastic Tree
                                     'tag_release'  Chandelier
                                       'tag_title'  Sentiment Machine
                                             'bpm'  111.886
                                    'search_title'  'machine':2 'sentiment':1
                                   'search_artist'  'plastic':1 'tree':2
                                  'search_release'  'chandelier':1
                                     'search_rest'  'asia':2 'japan':3,5,7 'jrock':8 'loc':1,4,6
                                    'search_combo'  'asia':7 'chandelier':5C 'japan':8,10,12 'jrock':13 'loc':6,9,11 'machine':2A 'plastic':3B 'sentiment':1A 'tree':4B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330176.7366393  (2021-11-19 14:56:16)
                             'size'  3854098