======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '247'
                                          'artist'  'Madame Germen'
                                     'text_people'  ''
                                         'release'  'As Cicatrizes Do Paraiso'
                                           'title'  'O Mecanismo Do Medo'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['neocrust', 'crust', 'spanish', 'screamo', 'hardcore', 'd beat']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '118'
                                             'key'  '10A'
                                        'acoustid'  'b606d5ff-d218-4c67-a014-7a7770dfea0b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x006\x00+\x009\x006\x00+\x001\x00A\x000\x00E\x00+\x005\x002\x003\x000\x00+\x009\x008\x00A\x00A\x00+\x00B\x00B\x004\x001\x00+\x001\x000\x004\x000\x003\x00+\x001\x002\x00D\x007\x00F\x00+\x001\x005\x00D\x00E\x00A\x00+\x001\x006\x00A\x00F\x002\x00+\x001\x009\x00B\x006\x007\x00+\x001\x00B\x008\x007\x00A\x00+\x001\x00E\x001\x005\x002\x00+\x002\x003\x00D\x00C\x005\x00+\x002\x006\x00F\x005\x006\x00+\x002\x009\x00A\x008\x00D\x00+\x002\x00C\x00E\x009\x00B\x00+\x002\x00E\x00A\x009\x002\x00+\x003\x002\x001\x009\x000\x00+\x003\x006\x00B\x009\x00B\x00+\x003\x00C\x009\x008\x002\x00+\x004\x000\x002\x007\x00A\x00+\x004\x002\x00B\x005\x00E\x00+\x004\x005\x004\x008\x00D\x00\x00\x00')
'PRIV:AverageLevel:{\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x12\x00\x00')
'PRIV:PeakValue:¡<\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1<\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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'As Cicatrizes Do Paraiso'
'TBPM' (BPM (beats per minute))                     '118'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDOR' (Original release time)                      '2003'
'TIT2' (Title/songname/content description)         'O Mecanismo Do Medo'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '248346'
'TPE1' (Lead performer(s)/Soloist(s))               'Madame Germen'
'TPE2' (Band/orchestra/accompaniment)               'Madame Germen'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'Madame Germen'
'TSOP' (Performer sort order)                       'Madame Germen'
'TXXX:Acoustid Id'                                  'b606d5ff-d218-4c67-a014-7a7770dfea0b'
'TXXX:Artists'                                      'Madame Germen'
'TXXX:MusicBrainz Album Artist Id'                  'd8f02f86-9ccf-4732-9cbe-c27f62daa4a2'
'TXXX:MusicBrainz Album Id'                         'fe8436ac-eceb-4c41-ad04-e86978a6e919'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'd8f02f86-9ccf-4732-9cbe-c27f62daa4a2'
'TXXX:MusicBrainz Release Group Id'                 '5eda6859-2598-35b6-a850-643e907d17ff'
'TXXX:MusicBrainz Release Track Id'                 '12d16f4f-c47a-30bb-8520-03824d37a4a7'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['neocrust', 'crust', 'spanish', 'screamo', 'hardcore', 'd beat']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.338517'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'69501f59-f2eb-49ba-8028-ac66eab78d15')

========================== row from database ==========================
                                              'id'  1392994
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Madame Germen/discografia/05 - El Mecanismo del Miedo.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  247
                                           'genre'  eid-metal-crust
                                        'filesize'  4046392
                                           'mtime'  1620310557
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal discografia 05 El del Miedo eid metal crust
                                      'tag_artist'  Madame Germen
                                     'tag_release'  As Cicatrizes Do Paraiso
                                       'tag_title'  O Mecanismo Do Medo
                                             'bpm'  118.0
                                    'search_title'  'do':3 'mecanismo':2 'medo':4 'o':1
                                   'search_artist'  'germen':2 'madame':1
                                  'search_release'  'as':1 'cicatrizes':2 'do':3 'paraiso':4
                                     'search_rest'  '00dwimp':1 '00metal':2 'crust':9 'del':5 'discografia':3 'eid':7 'el':4 'metal':8 'miedo':6
                                    'search_combo'  '00dwimp':11 '00metal':12 'as':7C 'cicatrizes':8C 'crust':19 'del':15 'discografia':13 'do':3A,9C 'eid':17 'el':14 'germen':6B 'madame':5B 'mecanismo':2A 'medo':4A 'metal':18 'miedo':16 'o':1A 'paraiso':10C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['neocrust', 'crust', 'spanish', 'screamo', 'hardcore', 'd beat']
                                        'tag_date'  2003
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310557.417114  (2021-05-06 16:15:57)
                             'size'  4046392