======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '304'
                                          'artist'  'Plastic Tree'
                                     'text_people'  ''
                                         'release'  'Chandelier'
                                           'title'  'Sanbika'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', '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'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock'
                                             'bpm'  '87.407'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00002A62 00002214 0000754B'
'COMM:iTunNORM:eng'                                 (' 00002A62 00002214 0000754B 00005EA6 00041EF5 0001D4D7 00008000 00008000 '
 '00004E4E 00004E4E')
'TALB' (Album/Movie/Show title)                     'Chandelier'
'TBPM' (BPM (beats per minute))                     '87.407'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-pop-jrock', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         'Sanbika'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Plastic Tree'
'TRCK' (Track number/Position in set)               '9'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.425320'

========================== row from database ==========================
                                              'id'  465281
                                            'path'  /data/Music/Bulk/00dwimp/Plastic Tree/Chandelier/09 Sanbika.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  304
                                           'genre'  loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock
                                        'filesize'  4880595
                                           'mtime'  1621701934
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 09 loc asia japan;rock pop jrock;loc asia japan jrock
                                      'tag_artist'  Plastic Tree
                                     'tag_release'  Chandelier
                                       'tag_title'  Sanbika
                                             'bpm'  87.407
                                    'search_title'  'sanbika':1
                                   'search_artist'  'plastic':1 'tree':2
                                  'search_release'  'chandelier':1
                                     'search_rest'  '00dwimp':1 'asia':3 'japan':4,6,13 'jrock':9,11,14 'loc':2,10,12 'pop':8 'rock':5,7
                                    'search_combo'  '00dwimp':5 'asia':7 'chandelier':4C 'japan':8,10,17 'jrock':13,15,18 'loc':6,14,16 'plastic':2B 'pop':12 'rock':9,11 'sanbika':1A 'tree':3B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621701933.5555665  (2021-05-22 18:45:33)
                             'size'  4880595