======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '199'
                                          'artist'  'Penicillin'
                                     'text_people'  ''
                                         'release'  'Kakkaku'
                                           'title'  'Haru'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jrock', 'visual kei', 'japanese', 'rock', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock'
                                             'bpm'  '129.068'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000041BB 00002783 00010E61 0000A647 0001D505 0002983E 00008000 00008000 '
 '00004E37 00004E20')
'TALB' (Album/Movie/Show title)                     'Kakkaku'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-pop-jrock', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Haru'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penicillin'
'TRCK' (Track number/Position in set)               '8'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.366835'

========================== row from database ==========================
                                              'id'  331308
                                            'path'  /data/Music/Bulk/00dwimp/Penicillin - (2003.10.01) (album) Kakkaku/08 - Haru.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  199
                                           'genre'  loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock
                                        'filesize'  4784094
                                           'mtime'  1621701944
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp (2003.10.01) (album) 08 loc asia japan;rock pop jrock;loc asia japan jrock
                                      'tag_artist'  Penicillin
                                     'tag_release'  Kakkaku
                                       'tag_title'  Haru
                                             'bpm'  129.068
                                    'search_title'  'haru':1
                                   'search_artist'  'penicillin':1
                                  'search_release'  'kakkaku':1
                                     'search_rest'  '00dwimp':1 '01':4 '10':3 '2003':2 '20031001':5 'album':6,7 'asia':9 'japan':10,12,19 'jrock':15,17,20 'loc':8,16,18 'pop':14 'rock':11,13
                                    'search_combo'  '00dwimp':4 '01':7 '10':6 '2003':5 '20031001':8 'album':9,10 'asia':12 'haru':1A 'japan':13,15,22 'jrock':18,20,23 'kakkaku':3C 'loc':11,19,21 'penicillin':2B 'pop':17 'rock':14,16
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621701944.1226072  (2021-05-22 18:45:44)
                             'size'  4784094