======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '279'
                                          'artist'  'Igorrr'
                                     'text_people'  ''
                                         'release'  'Moisissure'
                                           'title'  'Brutal Swing'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['fip', 'breakcore', 'idm', 'baroque', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic', 'breakcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '112.9'
                                             'key'  '6A'
                                        'acoustid'  'b0d334ac-2526-448b-a903-39b79528b881'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Moisissure'
'TBPM' (BPM (beats per minute))                     '112.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-01-23'
'TIT2' (Title/songname/content description)         'Brutal Swing'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Igorrr'
'TPE2' (Band/orchestra/accompaniment)               'Igorrr'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Igorrr'
'TSOP' (Performer sort order)                       'Igorrr'
'TXXX:Acoustid Id'                                  'b0d334ac-2526-448b-a903-39b79528b881'
'TXXX:CATALOGNUMBER'                                '[none]'
'TXXX:MusicBrainz Album Artist Id'                  'aec46991-e896-4c1f-80cc-aed97b0cdc73'
'TXXX:MusicBrainz Album Id'                         'b5f7b0b6-fcd1-4912-a1bb-e9a4e0edf870'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'aec46991-e896-4c1f-80cc-aed97b0cdc73'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'breakcore']
'TXXX:lastfmtags'                                   ['fip', 'breakcore', 'idm', 'baroque', 'electronic', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.321670'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'52dd2398-a55d-454c-b2dd-5dc5a07984d8')

========================== row from database ==========================
                                              'id'  721315
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/ACP048_Igorrr_-_Moisissure/06_Brutal_Swing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  279
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  11201264
                                           'mtime'  1620522358
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ACP048_Igorrr_ _Moisissure 06_Brutal_Swing electronic experimental glitch breakcore
                                      'tag_artist'  Igorrr
                                     'tag_release'  Moisissure
                                       'tag_title'  Brutal Swing
                                             'bpm'  112.9
                                    'search_title'  'brutal':1 'swing':2
                                   'search_artist'  'igorrr':1
                                  'search_release'  'moisissure':1
                                     'search_rest'  '06':4 'acp048':1 'breakcore':10 'brutal':5 'electronic':7 'experimental':8 'glitch':9 'igorrr':2 'moisissure':3 'swing':6
                                    'search_combo'  '06':8 'acp048':5 'breakcore':14 'brutal':1A,9 'electronic':11 'experimental':12 'glitch':13 'igorrr':3B,6 'moisissure':4C,7 'swing':2A,10
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['fip', 'breakcore', 'idm', 'baroque', 'electronic', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'breakcore']

============================== file details ==============================
                                           'mtime'  1620522357.5692585  (2021-05-09 03:05:57)
                             'size'  11201264