======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  'Hatebreed'
                                     'text_people'  ''
                                         'release'  'The Rise Of Brutality'
                                           'title'  'Another Day Another Vendetta'
                                           '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'  '6'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '90'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1b\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')
'PRIV:WM/Provider:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\nn:e<¢\x00M\x98ANv_ñ»y'  PRIV(owner='WM/WMCollectionGroupID', data=b'\nn:e<\xa2\x00M\x98ANv_\xf1\xbby')
'PRIV:WM/WMCollectionID:\nn:e<¢\x00M\x98ANv_ñ»y'    PRIV(owner='WM/WMCollectionID', data=b'\nn:e<\xa2\x00M\x98ANv_\xf1\xbby')
'PRIV:WM/WMContentID:ò\x0c7è7(ÆC\x8f\x8f<\x8a%îò§'  PRIV(owner='WM/WMContentID', data=b'\xf2\x0c7\xe87(\xc6C\x8f\x8f<\x8a%\xee\xf2\xa7')
'TALB' (Album/Movie/Show title)                     'The Rise Of Brutality'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Another Day Another Vendetta'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '184320'
'TPE1' (Lead performer(s)/Soloist(s))               'Hatebreed'
'TPE2' (Band/orchestra/accompaniment)               'Hatebreed'
'TPUB' (Publisher)                                  'Roadrunner'
'TRCK' (Track number/Position in set)               '6'
'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'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.398763'

========================== row from database ==========================
                                              'id'  1400531
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Hatebreed/Rise Of Brutality, The (UK Version) [UK]/Hatebreed-Another Day, Another Vendetta.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  eid-metal
                                        'filesize'  2952166
                                           'mtime'  1620300747
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Brutality, (UK Version) [UK] Day, eid metal
                                      'tag_artist'  Hatebreed
                                     'tag_release'  The Rise Of Brutality
                                       'tag_title'  Another Day Another Vendetta
                                             'bpm'  90.0
                                    'search_title'  'another':1 'day':2 'vendetta':3
                                   'search_artist'  'hatebreed':1
                                  'search_release'  'brutality':4 'of':3 'rise':2 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'brutality':3,4 'day':10,11 'eid':12 'metal':13 'uk':5,6,9 'version':7,8
                                    'search_combo'  '00dwimp':9 '00metal':10 'another':1A 'brutality':8C,11,12 'day':2A,18,19 'eid':20 'hatebreed':4B 'metal':21 'of':7C 'rise':6C 'the':5C 'uk':13,14,17 'vendetta':3A 'version':15,16
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           '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'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300746.760851  (2021-05-06 13:32:26)
                             'size'  2952166