======================== unified (from filesystem) ========================
                                         'bitrate'  '237.81'
                                        'duration'  '168'
                                          'artist'  'Nakaido "Chabo" Reichi'
                                     'text_people'  ''
                                         'release'  'Lain: Serial Experiments'
                                           'title'  'Pulse Beat'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '141.216'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001FD1 000020F6 0000788C'
'COMM:iTunNORM:eng'                                 (' 00001FD1 000020F6 0000788C 000073B9 00022038 00022038 000075D9 000078D6 '
 '0002204F 0000E84C')
'TALB' (Album/Movie/Show title)                     'Lain: Serial Experiments'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Pulse Beat'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nakaido "Chabo" Reichi'
'TPE2' (Band/orchestra/accompaniment)               'Nakaido "Chabo" Reichi'
'TRCK' (Track number/Position in set)               '2'
'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'                                       '3'
'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'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.295887'

========================== row from database ==========================
                                              'id'  280892
                                            'path'  /data/Music/Bulk/0soundtrack/Nakaido _Chabo_ Reichi/[2003] Lain_ Serial Experiments/02 Pulse Beat.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  168
                                           'genre'  soundtrack-video
                                        'filesize'  5032445
                                           'mtime'  1637438854
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack _Chabo_ [2003] Lain_ 02 soundtrack video
                                      'tag_artist'  Nakaido "Chabo" Reichi
                                     'tag_release'  Lain: Serial Experiments
                                       'tag_title'  Pulse Beat
                                             'bpm'  141.216
                                    'search_title'  'beat':2 'pulse':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':10 '2003':12,13 'beat':2A 'chabo':4B,11 'experiments':9C 'lain':6C,7C,14 'nakaido':3B 'pulse':1A 'reichi':5B 'serial':8C 'soundtrack':15 'video':16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'ambient', 'japanese', 'bgm', 'anime']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637438853.9621909  (2021-11-20 21:07:33)
                             'size'  5032445