======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '120'
                                          'artist'  'Neurocore'
                                     'text_people'  ''
                                         'release'  '[untitled]'
                                           'title'  'Autonome/Astronome'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-JZFKS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['speedcore', 'abstract', 'flashcore', 'ambient']"
                                     'discogstags'  "['speedcore', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '5'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-hardcore'
                                             'bpm'  '144.6'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[untitled]'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-hardcore'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Autonome/Astronome'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Neurocore'
'TPE2' (Band/orchestra/accompaniment)               'Neurocore'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hangars Liquides'
'TRCK' (Track number/Position in set)               '3/5'
'TSO2'                                              'Neurocore'
'TSOP' (Performer sort order)                       'Neurocore'
'TXXX:Artists'                                      'Neurocore'
'TXXX:CATALOGNUMBER'                                'HANGARS LIQUIDES 018/HL 018'
'TXXX:Mp3gain_minmax'                               '108,187'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:MusicBrainz Album Artist Id'                  '14476397-2336-45a4-a633-6172f6dacda4'
'TXXX:MusicBrainz Album Id'                         'ad2dffff-d33e-4854-aec2-58174db6193b'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '14476397-2336-45a4-a633-6172f6dacda4'
'TXXX:MusicBrainz Release Group Id'                 '59fff705-ec45-4afb-a01e-8a0dc8ce3d6d'
'TXXX:MusicBrainz Release Track Id'                 '1ecb317e-4eb5-4d8c-b0a7-0bb4759e8956'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['speedcore', 'electronic']
'TXXX:lastfmtags'                                   ['speedcore', 'abstract', 'flashcore', 'ambient']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.687708'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'40c8d182-38d4-4c48-87aa-66392245dba5')

========================== row from database ==========================
                                              'id'  982724
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0electronic/_neurocore - [purgatorie drastique]/b1_neurocore_-_autonome-astronome-sq.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  120
                                           'genre'  electronic-th-hardcore
                                        'filesize'  2910280
                                           'mtime'  1620524332
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0electronic _neurocore [purgatorie drastique] b1_neurocore_ _autonome astronome sq electronic th hardcore
                                      'tag_artist'  Neurocore
                                     'tag_release'  [untitled]
                                       'tag_title'  Autonome/Astronome
                                             'bpm'  144.6
                                    'search_title'  'astronome':2 'autonome':1 'autonomeastronome':3
                                   'search_artist'  'neurocore':1
                                  'search_release'  'untitled':1,2
                                     'search_rest'  '0electronic':1 'astronome':10 'autonome':9 'b1':7 'drastique':5,6 'electronic':12 'hardcore':14 'neurocore':2,8 'purgatorie':3,4 'sq':11 'th':13
                                    'search_combo'  '0electronic':7 'astronome':2A,16 'autonome':1A,15 'autonomeastronome':3A 'b1':13 'drastique':11,12 'electronic':18 'hardcore':20 'neurocore':4B,8,14 'purgatorie':9,10 'sq':17 'th':19 'untitled':5C,6C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['speedcore', 'abstract', 'flashcore', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['speedcore', 'electronic']

============================== file details ==============================
                                           'mtime'  1620524332.3264747  (2021-05-09 03:38:52)
                             'size'  2910280