======================== unified (from filesystem) ========================
                                         'bitrate'  '195.171'
                                        'duration'  '465'
                                          'artist'  'Isis'
                                     'text_people'  ''
                                         'release'  'In The Absence Of Truth'
                                           'title'  'Wrists Of Kings'
                                           '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-4', 'q-other-3', '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'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '140.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'In The Absence Of Truth'
'TBPM' (BPM (beats per minute))                     '140.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Wrists Of Kings'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isis'
'TRCK' (Track number/Position in set)               '1'
'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'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.66 dB'
'TXXX:replaygain_track_peak'                        '0.446966'

========================== row from database ==========================
                                              'id'  1391020
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Isis/In The Absence Of Truth/01 Wrists Of Kings.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  465
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  11364325
                                           'mtime'  1620310855
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 01 eid metal sludge or grind
                                      'tag_artist'  Isis
                                     'tag_release'  In The Absence Of Truth
                                       'tag_title'  Wrists Of Kings
                                             'bpm'  140.1
                                    'search_title'  'kings':3 'of':2 'wrists':1
                                   'search_artist'  'isis':1
                                  'search_release'  'absence':3 'in':1 'of':4 'the':2 'truth':5
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'grind':7 'metal':4 'or':6 'sludge':5
                                    'search_combo'  '00dwimp':10 '00metal':11 'absence':7C 'eid':12 'grind':16 'in':5C 'isis':4B 'kings':3A 'metal':13 'of':2A,8C 'or':15 'sludge':14 'the':6C 'truth':9C 'wrists':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310855.3164754  (2021-05-06 16:20:55)
                             'size'  11364325