======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '85'
                                          'artist'  'Hatebreed'
                                     'text_people'  ''
                                         'release'  'Perseverance'
                                           'title'  'Judgement Strikes (Unbreakable)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cover', 'metal', 'moshcore', 'metalcore', 'hardcore', 'death metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '96'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000026AA 0000195B 000069A5 00003AA5 000021AA 00010CCD 00007C9A 00007F02 '
 '000064BB 0000864F')
'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)                     'Perseverance'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Judgement Strikes (Unbreakable)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '85933'
'TPE1' (Lead performer(s)/Soloist(s))               'Hatebreed'
'TRCK' (Track number/Position in set)               '14'
'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'                                   ['cover', 'metal', 'moshcore', 'metalcore', 'hardcore', 'death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-2.25 dB'
'TXXX:replaygain_track_peak'                        '0.357301'

========================== row from database ==========================
                                              'id'  1393339
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Hatebreed/Perseverance/Hatebreed-Judgement Strikes (Unbreakable).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  85
                                           'genre'  eid-metal
                                        'filesize'  3450880
                                           'mtime'  1620300737
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal
                                      'tag_artist'  Hatebreed
                                     'tag_release'  Perseverance
                                       'tag_title'  Judgement Strikes (Unbreakable)
                                             'bpm'  96.0
                                    'search_title'  'judgement':1 'strikes':2 'unbreakable':3,4
                                   'search_artist'  'hatebreed':1
                                  'search_release'  'perseverance':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':7 '00metal':8 'eid':9 'hatebreed':5B 'judgement':1A 'metal':10 'perseverance':6C 'strikes':2A 'unbreakable':3A,4A
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  5A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['cover', 'metal', 'moshcore', 'metalcore', 'hardcore', 'death metal']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300736.5520356  (2021-05-06 13:32:16)
                             'size'  3450880