======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '601'
                                          'artist'  'Bal-Sagoth'
                                     'text_people'  ''
                                         'release'  'A Black Moon Broods Over Lemuria'
                                           'title'  ('Into the Silent Chambers of the Sapphirean Throne (Sagas from the '
 'Antediluvian Scrolls) / Valley of Silent Paths')
                                           '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-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic black metal', 'metal', 'black metal', 'symphonic metal', 'epic "
 "metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '9'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '130'
                                             'key'  '9A'
                                        'acoustid'  '895185bb-673e-461b-a327-012277f17e5e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Black Moon Broods Over Lemuria'
'TBPM' (BPM (beats per minute))                     '130'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-05-14'
'TEXT' (Lyricist/Text writer)                       'Byron Roberts'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['lead vocals', 'Byron Roberts']])
'TIT2' (Title/songname/content description)         ('Into the Silent Chambers of the Sapphirean Throne (Sagas from the '
 'Antediluvian Scrolls) / Valley of Silent Paths')
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bal-Sagoth'
'TPE2' (Band/orchestra/accompaniment)               'Bal-Sagoth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cacophonous Records'
'TRCK' (Track number/Position in set)               '9/9'
'TSO2'                                              'Bal-Sagoth'
'TSOP' (Performer sort order)                       'Bal-Sagoth'
'TXXX:ASIN'                                         'B00000B5JS'
'TXXX:Acoustid Id'                                  '895185bb-673e-461b-a327-012277f17e5e'
'TXXX:Artists'                                      'Bal-Sagoth'
'TXXX:BARCODE'                                      '5017687510420'
'TXXX:CATALOGNUMBER'                                'NIHIL 4CD'
'TXXX:MusicBrainz Album Artist Id'                  'be0e9a66-3ac8-4f9d-adb4-0c8e6a373388'
'TXXX:MusicBrainz Album Id'                         '077cab20-021e-4bb9-af39-499142874b8f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'be0e9a66-3ac8-4f9d-adb4-0c8e6a373388'
'TXXX:MusicBrainz Release Group Id'                 '30799a0b-eb97-3c4f-b9e5-8d88ebb0fb6f'
'TXXX:MusicBrainz Release Track Id'                 'a8f851e1-981e-33c0-baba-a81a1669d67b'
'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'                                   ['symphonic black metal',
 'metal',
 'black metal',
 'symphonic metal',
 'epic metal']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.549002'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bda62ee3-2c65-4c50-86aa-16d470164cfc')

========================== row from database ==========================
                                              'id'  1252670
                                            'path'  /data/Music/Bulk/00dwimp/Bal Sagoth/Black Moon Broods Over Lemuria/Bal Sagoth - Into the Silent Chambers of the Sapphirean Throne.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  601
                                           'genre'  eid-metal-black
                                        'filesize'  9754189
                                           'mtime'  1620301857
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal black
                                      'tag_artist'  Bal-Sagoth
                                     'tag_release'  A Black Moon Broods Over Lemuria
                                       'tag_title'  Into the Silent Chambers of the Sapphirean Throne (Sagas from the Antediluvian Scrolls) / Valley of Silent Paths
                                             'bpm'  130.0
                                    'search_title'  'antediluvian':11 'chambers':4 'from':10 'into':1 'of':5 'paths':15 'sagas':8,9 'sapphirean':6 'scrolls':12,13 'silent':3 'the':2 'throne':7 'valley':14
                                   'search_artist'  'bal':1 'balsagoth':3 'sagoth':2
                                  'search_release'  'a':1 'black':2 'broods':4 'lemuria':6 'moon':3 'over':5
                                     'search_rest'  '00dwimp':1 'black':4 'eid':2 'metal':3
                                    'search_combo'  '00dwimp':25 'a':19C 'antediluvian':11A 'bal':16B 'balsagoth':18B 'black':20C,28 'broods':22C 'chambers':4A 'eid':26 'from':10A 'into':1A 'lemuria':24C 'metal':27 'moon':21C 'of':5A 'over':23C 'paths':15A 'sagas':8A,9A 'sagoth':17B 'sapphirean':6A 'scrolls':12A,13A 'silent':3A 'the':2A 'throne':7A 'valley':14A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'metal', 'black metal', 'symphonic metal', 'epic metal']
                                        'tag_date'  1995
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301856.5300431  (2021-05-06 13:50:56)
                             'size'  9754189