======================== unified (from filesystem) ========================
                                         'bitrate'  '241.493'
                                        'duration'  '464'
                                          'artist'  'Callenish Circle'
                                     'text_people'  ''
                                         'release'  'Forbidden Empathy'
                                           'title'  'Silent Tears'
                                           '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-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '112'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '129'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1c\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'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)                     'Forbidden Empathy'
'TBPM' (BPM (beats per minute))                     '129'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Silent Tears'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Callenish Circle'
'TRCK' (Track number/Position in set)               '112'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.371460'

========================== row from database ==========================
                                              'id'  1252292
                                            'path'  /data/Music/Bulk/00dwimp/Callenish Circle/Forbidden Empathy/Callenish Circle - 2004 - Forbidden Empathy CD1 - 12 - Silent Tears (from 1998 Escape).mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  464
                                           'genre'  eid-metal-death
                                        'filesize'  14030901
                                           'mtime'  1620302096
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2004 CD1 12 (from 1998 Escape) eid metal death
                                      'tag_artist'  Callenish Circle
                                     'tag_release'  Forbidden Empathy
                                       'tag_title'  Silent Tears
                                             'bpm'  129.0
                                    'search_title'  'silent':1 'tears':2
                                   'search_artist'  'callenish':1 'circle':2
                                  'search_release'  'empathy':2 'forbidden':1
                                     'search_rest'  '00dwimp':1 '1998':6 '2004':2 'cd1':3 'death':11 'eid':9 'escape':7,8 'from':4,5 'metal':10
                                    'search_combo'  '00dwimp':7 '1998':12 '2004':8 'callenish':3B 'cd1':9 'circle':4B 'death':17 'eid':15 'empathy':6C 'escape':13,14 'forbidden':5C 'from':10,11 'metal':16 'silent':1A 'tears':2A
                                    'tag_tracknum'  112
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302095.6389515  (2021-05-06 13:54:55)
                             'size'  14030901