======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '354'
                                          'artist'  'Darkthrone'
                                     'text_people'  'Count Grishnackh'
                                         'release'  'Transilvanian Hunger'
                                           'title'  'As Flittermice as Satans Spys'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'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'  '7'
                                      'tracktotal'  '8'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '118.152'
                                             'key'  '10A'
                                        'acoustid'  'cbe0f781-f76b-4687-90d0-1b0b399bb33c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Transilvanian Hunger'
'TBPM' (BPM (beats per minute))                     '118.152'
'TCOM' (Composer)                                   'Count Grishnackh'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-02-17'
'TIT2' (Title/songname/content description)         'As Flittermice as Satans Spys'
'TKEY' (Initial key)                                '10A'
'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'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
'TXXX:Acoustid Id'                                  'cbe0f781-f76b-4687-90d0-1b0b399bb33c'
'TXXX:BARCODE'                                      '5016557504323'
'TXXX:CATALOGNUMBER'                                'VILE 43 CD'
'TXXX:MusicBrainz Album Artist Id'                  'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'TXXX:MusicBrainz Album Id'                         'e2f25d41-736c-40e9-83b3-678f42873eb3'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.372225'
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========================== row from database ==========================
                                              'id'  1396749
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkthrone - Transilvanian Hunger/07 As Flittermice As.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  354
                                           'genre'  eid-metal-black
                                        'filesize'  5702901
                                           'mtime'  1620301581
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 07 eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Transilvanian Hunger
                                       'tag_title'  As Flittermice as Satans Spys
                                             'bpm'  118.152
                                    'search_title'  'as':1 'flittermice':2 'satans':3 'spys':4
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'hunger':2 'transilvanian':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':8 '00metal':9 'as':1A 'black':12 'darkthrone':5B 'eid':10 'flittermice':2A 'hunger':7C 'metal':11 'satans':3A 'spys':4A 'transilvanian':6C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301580.618548  (2021-05-06 13:46:20)
                             'size'  5702901