======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'Penicillin'
                                     'text_people'  ''
                                         'release'  'Kakkaku'
                                           'title'  'Zettai Reido'
                                           'quals'  ("['Q-HAP-3', '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-3', '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'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-shibuyakei'
                                             'bpm'  '130.230'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001A2F 0000186E 00006AA6 0000647A 000222F7 0001ADF5 00008000 00007878 '
 '0001ADB0 0001ADB0')
'TALB' (Album/Movie/Show title)                     'Kakkaku'
'TBPM' (BPM (beats per minute))                     '130.230'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-shibuyakei']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Zettai Reido'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penicillin'
'TRCK' (Track number/Position in set)               '1'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.46 dB'
'TXXX:replaygain_track_peak'                        '0.310622'

========================== row from database ==========================
                                              'id'  1374655
                                            'path'  /data/Music/Bulk/00localcharacter/Penicillin - (2003.10.01) (album) Kakkaku/01 - Zettai Reido.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-shibuyakei
                                        'filesize'  4726656
                                           'mtime'  1621701955
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (2003.10.01) (album) 01 loc asia japan;loc asia japan jrock shibuyakei
                                      'tag_artist'  Penicillin
                                     'tag_release'  Kakkaku
                                       'tag_title'  Zettai Reido
                                             'bpm'  130.23
                                    'search_title'  'reido':2 'zettai':1
                                   'search_artist'  'penicillin':1
                                  'search_release'  'kakkaku':1
                                     'search_rest'  '01':3 '10':2 '2003':1 '20031001':4 'album':5,6 'asia':8 'japan':9,11,13 'jrock':14 'loc':7,10,12 'shibuyakei':15
                                    'search_combo'  '01':7 '10':6 '2003':5 '20031001':8 'album':9,10 'asia':12 'japan':13,15,17 'jrock':18 'kakkaku':4C 'loc':11,14,16 'penicillin':3B 'reido':2A 'shibuyakei':19 'zettai':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           '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-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'  1621701955.2555108  (2021-05-22 18:45:55)
                             'size'  4726656