======================== unified (from filesystem) ========================
                                         'bitrate'  '241.38'
                                        'duration'  '538'
                                          'artist'  'Isis'
                                     'text_people'  ''
                                         'release'  'Panopticon'
                                           'title'  'In Fiction'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '123.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000010C0 0000100F 000075F8 0000A9F0 0006EC3E 0006852F 00007C82 00007B99 '
 '0004B449 0004A52F')
'COMM:iTunes_CDDB_IDs:eng'                          '7+98958179740E658AFBD06CCDFDB8D7A6+4304931'
'TALB' (Album/Movie/Show title)                     'Panopticon'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'In Fiction'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isis'
'TPE2' (Band/orchestra/accompaniment)               'Isis'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.46 dB'
'TXXX:replaygain_track_peak'                        '0.345299'
'USLT::XXX'                                         ('Through fiction we saw the birth \r\n'
 'Of futures yet to come \r\n'
 'Yet in fiction lay the bones \r\n'
 'Ugly in their nakedness \r\n'
 '\r\n'
 'Yet under this mortal sun \r\n'
 'We cannot hide ourselves\n')

========================== row from database ==========================
                                              'id'  1392363
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Isis/Panopticon/03 in fiction.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  538
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  16583914
                                           'mtime'  1620310861
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 03 in fiction eid metal sludge or grind
                                      'tag_artist'  Isis
                                     'tag_release'  Panopticon
                                       'tag_title'  In Fiction
                                             'bpm'  123.1
                                    'search_title'  'fiction':2 'in':1
                                   'search_artist'  'isis':1
                                  'search_release'  'panopticon':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':5 'fiction':4 'grind':9 'in':3 'metal':6 'or':8 'sludge':7
                                    'search_combo'  '00dwimp':5 '00metal':6 'eid':9 'fiction':2A,8 'grind':13 'in':1A,7 'isis':3B 'metal':10 'or':12 'panopticon':4C 'sludge':11
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310861.1130807  (2021-05-06 16:21:01)
                             'size'  16583914