======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '55'
                                          'artist'  'Archgoat'
                                     'text_people'  ''
                                         'release'  'The Aeon of the Angelslaying Darkness'
                                           'title'  'Invocation'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['finnish black metal', 'black metal', 'death metal', 'blackened death "
 "metal', 'finnish']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '18'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '144.7'
                                             'key'  '9A'
                                        'acoustid'  '0eddd39e-5c33-4ec7-ac99-f7aedea917aa'
rest: ''

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

'COMM::eng'                                         'ExactAudioCopy v1.0b3'
'TALB' (Album/Movie/Show title)                     'The Aeon of the Angelslaying Darkness'
'TBPM' (BPM (beats per minute))                     '144.7'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-10-24'
'TIT2' (Title/songname/content description)         'Invocation'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Archgoat'
'TPE2' (Band/orchestra/accompaniment)               'Archgoat'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Debemur Morti Productions'
'TRCK' (Track number/Position in set)               '12/18'
'TSO2'                                              'Archgoat'
'TSOP' (Performer sort order)                       'Archgoat'
'TXXX:Acoustid Id'                                  '0eddd39e-5c33-4ec7-ac99-f7aedea917aa'
'TXXX:CATALOGNUMBER'                                'DMP0061'
'TXXX:ISRC'                                         '000000000000'
'TXXX:MusicBrainz Album Artist Id'                  '969710a8-0ac1-40b7-a22c-6072254e4214'
'TXXX:MusicBrainz Album Id'                         'bf0c2f3a-c270-4c69-8939-d575035238ed'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '969710a8-0ac1-40b7-a22c-6072254e4214'
'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'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['finnish black metal',
 'black metal',
 'death metal',
 'blackened death metal',
 'finnish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.249913'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'de413b00-28f4-4192-8c65-acee7add22f3')

========================== row from database ==========================
                                              'id'  1392153
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Archgoat - CD 2/12. Invocation.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  55
                                           'genre'  eid-metal-death
                                        'filesize'  2221398
                                           'mtime'  1620301652
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death CD 2 12. eid metal death
                                      'tag_artist'  Archgoat
                                     'tag_release'  The Aeon of the Angelslaying Darkness
                                       'tag_title'  Invocation
                                             'bpm'  144.7
                                    'search_title'  'invocation':1
                                   'search_artist'  'archgoat':1
                                  'search_release'  'aeon':2 'angelslaying':4 'darkness':5 'of':3 'the':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 '12':6,7 '2':5 'cd':4 'death':10 'eid':8 'metal':9
                                    'search_combo'  '00death':10 '00dwimp':8 '00metal':9 '12':13,14 '2':12 'aeon':4C 'angelslaying':6C 'archgoat':2B 'cd':11 'darkness':7C 'death':17 'eid':15 'invocation':1A 'metal':16 'of':5C 'the':3C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['finnish black metal', 'black metal', 'death metal', 'blackened death metal', 'finnish']
                                        'tag_date'  2009
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301651.6782765  (2021-05-06 13:47:31)
                             'size'  2221398