======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '530'
                                          'artist'  'Therion'
                                     'text_people'  ''
                                         'release'  'Crowning of Atlantis'
                                           'title'  'Clavicula Nox'
                                           '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-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic;eid-metal-symphonic;eid-metal-progressive'
                                             'bpm'  '99.518'
                                             'key'  '9A'
                                        'acoustid'  '9bc4a636-c8f4-40e5-a480-4af2e376ab5d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Crowning of Atlantis'
'TBPM' (BPM (beats per minute))                     '99.518'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-doom or gothic', 'eid-metal-symphonic', 'eid-metal-progressive']
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-07-06'
'TIT2' (Title/songname/content description)         'Clavicula Nox'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Therion'
'TPE2' (Band/orchestra/accompaniment)               'Therion'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Therion'
'TSOP' (Performer sort order)                       'Therion'
'TXXX:ASIN'                                         'B00000JIR9'
'TXXX:Acoustid Id'                                  '9bc4a636-c8f4-40e5-a480-4af2e376ab5d'
'TXXX:BARCODE'                                      '727361639822'
'TXXX:CATALOGNUMBER'                                'NB 6398-2'
'TXXX:MusicBrainz Album Artist Id'                  'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'TXXX:MusicBrainz Album Id'                         'c231ddf9-8b2c-4186-bebc-031c7eb2ce16'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'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'                                   ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.422101'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6fe42b50-5f62-4fc7-9496-c9479c0afaf3')

========================== row from database ==========================
                                              'id'  1341442
                                            'path'  /data/Music/Bulk/00poprockelectronic/Therion/Crowning of Atlantis/Therion - Clavicula Nox - 03.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  530
                                           'genre'  eid-metal-doom or gothic;eid-metal-symphonic;eid-metal-progressive
                                        'filesize'  10619875
                                           'mtime'  1620310903
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 eid metal doom or gothic;eid metal symphonic;eid metal progressive
                                      'tag_artist'  Therion
                                     'tag_release'  Crowning of Atlantis
                                       'tag_title'  Clavicula Nox
                                             'bpm'  99.518
                                    'search_title'  'clavicula':1 'nox':2
                                   'search_artist'  'therion':1
                                  'search_release'  'atlantis':3 'crowning':1 'of':2
                                     'search_rest'  '00poprockelectronic':1 'doom':4 'eid':2,7,9,11,13 'gothic':6,8 'metal':3 'or':5 'progressive':14 'symphonic':10,12
                                    'search_combo'  '00poprockelectronic':7 'atlantis':6C 'clavicula':1A 'crowning':4C 'doom':10 'eid':8,13,15,17,19 'gothic':12,14 'metal':9 'nox':2A 'of':5C 'or':11 'progressive':20 'symphonic':16,18 'therion':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-4', 'q-grit-3']
                                      'lastfmtags'  ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310903.340727  (2021-05-06 16:21:43)
                             'size'  10619875