======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '304'
                                          'artist'  'Moi dix Mois'
                                     'text_people'  ''
                                         'release'  'Dix infernal'
                                           'title'  'La dix croix'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '140'
                                             'key'  '9A'
                                        'acoustid'  '40965ef2-ad9a-4eeb-8dd5-ae8602a259ef'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001A09 000016ED 000050A4'
'COMM:iTunNORM:eng'                                 (' 00001A09 000016ED 000050A4 00004C3B 0003A9C5 0003A9AE 00008000 00008000 '
 '00004E65 0002BF20')
'PRIV:AverageLevel:\x9a$\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x9a$\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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)                     'Dix infernal'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TCOP' (Copyright message)                          'Midi-nette'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'Ju-rie [gundam21th@hanmail.net]'
'TIT2' (Title/songname/content description)         'La dix croix'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Moi dix Mois'
'TPE2' (Band/orchestra/accompaniment)               'Moi dix Mois'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mabell'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Moi dix Mois'
'TSOP' (Performer sort order)                       'Moi dix Mois'
'TXXX:Acoustid Id'                                  '40965ef2-ad9a-4eeb-8dd5-ae8602a259ef'
'TXXX:Artists'                                      'Moi dix Mois'
'TXXX:CATALOGNUMBER'                                'MAFR CDA 8005'
'TXXX:MusicBrainz Album Artist Id'                  '935d146a-ab8a-4745-b4c4-6043d4cc15c4'
'TXXX:MusicBrainz Album Id'                         '4edc4203-78fe-4d33-8a25-d37986806f76'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '935d146a-ab8a-4745-b4c4-6043d4cc15c4'
'TXXX:MusicBrainz Release Group Id'                 '317bb669-6591-3591-a97d-d94f72e837fc'
'TXXX:MusicBrainz Release Track Id'                 '510414b5-4f04-4e4f-85d7-57537bb442b1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
'TXXX:mood'                                         'Not happy/Not party/Aggressive/Not electronic/Not acoustic/Not sad/Not relaxed'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.398465'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1bf987be-13e5-4aa1-9b52-3a3164128671')

========================== row from database ==========================
                                              'id'  933777
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Moi dix Mois/Dix Infernal/02 La dix croix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  304
                                           'genre'  loc-asia-japan
                                        'filesize'  7328336
                                           'mtime'  1621695825
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Infernal 02 loc asia japan
                                      'tag_artist'  Moi dix Mois
                                     'tag_release'  Dix infernal
                                       'tag_title'  La dix croix
                                             'bpm'  140.0
                                    'search_title'  'croix':3 'dix':2 'la':1
                                   'search_artist'  'dix':2 'moi':1 'mois':3
                                  'search_release'  'dix':1 'infernal':2
                                     'search_rest'  '00asia':1 'asia':4 'infernal':2 'japan':5 'loc':3
                                    'search_combo'  '00asia':9 'asia':12 'croix':3A 'dix':2A,5B,7C 'infernal':8C,10 'japan':13 'la':1A 'loc':11 'moi':4B 'mois':6B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621695824.5640569  (2021-05-22 17:03:44)
                             'size'  7328336