======================== unified (from filesystem) ========================
                                         'bitrate'  '238.72'
                                        'duration'  '252'
                                          'artist'  'Divercia'
                                     'text_people'  ''
                                         'release'  'Cycle of Zero'
                                           'title'  'Iron Hearted Cross'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['power metal', 'finnish', 'metal', 'gothic metal', 'progressive metal', "
 "'melodic death metal']")
                                     'discogstags'  "['rock', 'goth rock', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '112.010'
                                             'key'  '9A'
                                        'acoustid'  '0456d4ea-edb4-449a-a5b8-fa88a399e98f'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'QTXMp3!'
'TALB' (Album/Movie/Show title)                     'Cycle of Zero'
'TBPM' (BPM (beats per minute))                     '112.010'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-09-20'
'TIT2' (Title/songname/content description)         'Iron Hearted Cross'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Divercia'
'TPE2' (Band/orchestra/accompaniment)               'Divercia'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Karmageddon Media'
'TRCK' (Track number/Position in set)               '2/9'
'TSO2'                                              'Divercia'
'TSOP' (Performer sort order)                       'Divercia'
'TXXX:ASIN'                                         'B00061RYU2'
'TXXX:Acoustid Id'                                  '0456d4ea-edb4-449a-a5b8-fa88a399e98f'
'TXXX:BARCODE'                                      '824971703827'
'TXXX:CATALOGNUMBER'                                'KARMA038'
'TXXX:MusicBrainz Album Artist Id'                  '63d3d8ec-d9f9-4872-8f99-d0665c2e8a97'
'TXXX:MusicBrainz Album Id'                         '07fa8803-1509-4d03-be90-72377180eaa0'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '63d3d8ec-d9f9-4872-8f99-d0665c2e8a97'
'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'                                  ['rock', 'goth rock', 'heavy metal']
'TXXX:lastfmtags'                                   ['power metal',
 'finnish',
 'metal',
 'gothic metal',
 'progressive metal',
 'melodic death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.72 dB'
'TXXX:replaygain_track_peak'                        '0.411488'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c64bd75b-ef1d-4778-a6c4-40e8082d8955')

========================== row from database ==========================
                                              'id'  1394158
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Divercia/Divercia - Cycle of zero/Divercia - Cycle Of Zero - 02 - Iron Hearted Cross.mp3
                                         'working'  None
                                         'bitrate'  238
                                    'duration_sec'  252
                                           'genre'  eid-metal-progressive
                                        'filesize'  7536806
                                           'mtime'  1620310831
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth zero Of 02 eid metal progressive
                                      'tag_artist'  Divercia
                                     'tag_release'  Cycle of Zero
                                       'tag_title'  Iron Hearted Cross
                                             'bpm'  112.01
                                    'search_title'  'cross':3 'hearted':2 'iron':1
                                   'search_artist'  'divercia':1
                                  'search_release'  'cycle':1 'of':2 'zero':3
                                     'search_rest'  '00dwimp':1 '00ebm':2 'darkwave':4 'eid':8 'goth':5 'industrial':3 'metal':9 'of':7 'progressive':10 'zero':6
                                    'search_combo'  '00dwimp':8 '00ebm':9 'cross':3A 'cycle':5C 'darkwave':11 'divercia':4B 'eid':15 'goth':12 'hearted':2A 'industrial':10 'iron':1A 'metal':16 'of':6C,14 'progressive':17 'zero':7C,13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['power metal', 'finnish', 'metal', 'gothic metal', 'progressive metal', 'melodic death metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'goth rock', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1620310831.4542546  (2021-05-06 16:20:31)
                             'size'  7536806