======================== unified (from filesystem) ========================
                                         'bitrate'  '226.743'
                                        'duration'  '188'
                                          'artist'  'Nakaido "Chabo" Reichi'
                                     'text_people'  ''
                                         'release'  'Lain: Serial Experiments'
                                           'title'  'Theme Of lain'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'ambient', 'japanese', 'bgm', 'anime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '109.468'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000D56 00000C88 00003179'
'COMM:iTunNORM:eng'                                 (' 00000D56 00000C88 00003179 00002A85 0001F940 0001F940 00008000 00008000 '
 '00009BF2 00009BF2')
'TALB' (Album/Movie/Show title)                     'Lain: Serial Experiments'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Theme Of lain'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nakaido "Chabo" Reichi'
'TPE2' (Band/orchestra/accompaniment)               'Nakaido "Chabo" Reichi'
'TRCK' (Track number/Position in set)               '1'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'ambient', 'japanese', 'bgm', 'anime']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.361386'

========================== row from database ==========================
                                              'id'  297230
                                            'path'  /data/Music/Bulk/0soundtrack/Nakaido _Chabo_ Reichi/[2003] Lain_ Serial Experiments/01 Theme Of lain.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  188
                                           'genre'  soundtrack-video
                                        'filesize'  5368437
                                           'mtime'  1637438854
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack _Chabo_ [2003] Lain_ 01 soundtrack video
                                      'tag_artist'  Nakaido "Chabo" Reichi
                                     'tag_release'  Lain: Serial Experiments
                                       'tag_title'  Theme Of lain
                                             'bpm'  109.468
                                    'search_title'  'lain':3 'of':2 'theme':1
                                   'search_artist'  'chabo':2 'nakaido':1 'reichi':3
                                  'search_release'  'experiments':4 'lain':1,2 'serial':3
                                     'search_rest'  '0soundtrack':1 '2003':3,4 'chabo':2 'lain':5 'soundtrack':6 'video':7
                                    'search_combo'  '0soundtrack':11 '2003':13,14 'chabo':5B,12 'experiments':10C 'lain':3A,7C,8C,15 'nakaido':4B 'of':2A 'reichi':6B 'serial':9C 'soundtrack':16 'theme':1A 'video':17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'ambient', 'japanese', 'bgm', 'anime']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637438853.8986988  (2021-11-20 21:07:33)
                             'size'  5368437