======================== unified (from filesystem) ========================
                                         'bitrate'  '206.228'
                                        'duration'  '193'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Dark Thrones and Black Flags'
                                           'title'  'Blacksmith of the North (Keep That Ancient Fire)'
                                           '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-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '130.3'
                                             'key'  '1A'
                                        'acoustid'  'f70a132f-1d11-4f6f-9468-d97f49ecef99'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dark Thrones and Black Flags'
'TBPM' (BPM (beats per minute))                     '130.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-10-20'
'TENC' (Encoded by)                                 'Lame 3.97 -V2 --Vbr-New'
'TIT2' (Title/songname/content description)         'Blacksmith of the North (Keep That Ancient Fire)'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkthrone'
'TPE2' (Band/orchestra/accompaniment)               'Darkthrone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Peaceville/Tyrant Syndicate'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
'TXXX:ASIN'                                         'B00197X168'
'TXXX:Acoustid Id'                                  'f70a132f-1d11-4f6f-9468-d97f49ecef99'
'TXXX:CATALOGNUMBER'                                'CDVILEF237'
'TXXX:MusicBrainz Album Artist Id'                  'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'TXXX:MusicBrainz Album Id'                         '05cf2a1c-e1e4-3a36-a4cd-ff95d66db8bf'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'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'
'TXXX:lastfmtags'                                   ['norway',
 'black metal',
 'metal',
 'norwegian black metal',
 'blackened punk rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.327717'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2fe91cf4-0c7b-40ea-8ebd-8d750b6a740a')
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='Http://Www.Darkthrone.No/')

========================== row from database ==========================
                                              'id'  1396945
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkthrone (2008) - Dark Thrones and Black Flags [VBR]/Darkthrone - Dark Thrones And Black Flags - 04 - Blacksmith Of The North.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  193
                                           'genre'  eid-metal-black
                                        'filesize'  4995732
                                           'mtime'  1620301545
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (2008) [VBR] And 04 Of The eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Dark Thrones and Black Flags
                                       'tag_title'  Blacksmith of the North (Keep That Ancient Fire)
                                             'bpm'  130.3
                                    'search_title'  'ancient':8 'blacksmith':1 'fire':9,10 'keep':5,6 'north':4 'of':2 'that':7 'the':3
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'and':3 'black':4 'dark':1 'flags':5 'thrones':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '2008':3,4 'and':7 'black':12 'eid':10 'metal':11 'of':8 'the':9 'vbr':5,6
                                    'search_combo'  '00dwimp':17 '00metal':18 '2008':19,20 'ancient':8A 'and':14C,23 'black':15C,28 'blacksmith':1A 'dark':12C 'darkthrone':11B 'eid':26 'fire':9A,10A 'flags':16C 'keep':5A,6A 'metal':27 'north':4A 'of':2A,24 'that':7A 'the':3A,25 'thrones':13C 'vbr':21,22
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301545.1837106  (2021-05-06 13:45:45)
                             'size'  4995732