======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'Macabre'
                                     'text_people'  ''
                                         'release'  'Sinister Slaughter'
                                           'title'  'Vampire Of Dusseldorf'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['murder metal', 'metal', 'grindcore', 'thrash metal', 'death metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '109.883'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000410 0000048F 00000B76 00'
'COMM:iTunNORM:eng'                                 (' 00000410 0000048F 00000B76 00000CC0 0001FBE7 0000C395 000040AB 000049EF '
 '0001FC15 0000C395')
'TALB' (Album/Movie/Show title)                     'Sinister Slaughter'
'TBPM' (BPM (beats per minute))                     '109.883'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Vampire Of Dusseldorf'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Macabre'
'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'                                   ['murder metal', 'metal', 'grindcore', 'thrash metal', 'death metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.621307'

========================== row from database ==========================
                                              'id'  1401534
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Macabre/Sinister Slaughter/Vampire Of Dusseldorf.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  eid-metal
                                        'filesize'  2608731
                                           'mtime'  1620301118
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal
                                      'tag_artist'  Macabre
                                     'tag_release'  Sinister Slaughter
                                       'tag_title'  Vampire Of Dusseldorf
                                             'bpm'  109.883
                                    'search_title'  'dusseldorf':3 'of':2 'vampire':1
                                   'search_artist'  'macabre':1
                                  'search_release'  'sinister':1 'slaughter':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':7 '00metal':8 'dusseldorf':3A 'eid':9 'macabre':4B 'metal':10 'of':2A 'sinister':5C 'slaughter':6C 'vampire':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['murder metal', 'metal', 'grindcore', 'thrash metal', 'death metal']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301118.3576977  (2021-05-06 13:38:38)
                             'size'  2608731