======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '328'
                                          'artist'  'TesseracT'
                                     'text_people'  ''
                                         'release'  'Polaris / Errai'
                                           'title'  'Cages'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['math metal', 'technical metal', 'djent', 'mathcore', 'progressive metal', "
 "'experimental']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '9'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '106.5'
                                             'key'  '5A'
                                        'acoustid'  'ae413c0a-14ee-43eb-b93b-2a85de5ab1f9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Polaris / Errai'
'TBPM' (BPM (beats per minute))                     '106.5'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-09-16'
'TIT2' (Title/songname/content description)         'Cages'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'TesseracT'
'TPE2' (Band/orchestra/accompaniment)               'TesseracT'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Kscope'
'TRCK' (Track number/Position in set)               '8/9'
'TSO2'                                              'TesseracT'
'TSOP' (Performer sort order)                       'TesseracT'
'TSST' (Set subtitle)                               'Polaris'
'TXXX:Acoustid Id'                                  'ae413c0a-14ee-43eb-b93b-2a85de5ab1f9'
'TXXX:BARCODE'                                      '802644839325'
'TXXX:CATALOGNUMBER'                                'KSCOPE393'
'TXXX:MusicBrainz Album Artist Id'                  'f1ec4765-e5da-4591-8b50-a8ff9627dda8'
'TXXX:MusicBrainz Album Id'                         '8b741710-9909-4e2d-98b9-23f2cdac657a'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'f1ec4765-e5da-4591-8b50-a8ff9627dda8'
'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'                                   ['math metal',
 'technical metal',
 'djent',
 'mathcore',
 'progressive metal',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.92 dB'
'TXXX:replaygain_track_peak'                        '0.507075'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8628b698-9964-433f-a9ea-df5d7c315bf5')

========================== row from database ==========================
                                              'id'  1393781
                                            'path'  /data/Music/Bulk/00dwimp/00metal/TesseracT - CD1/08. Cages.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  328
                                           'genre'  eid-metal
                                        'filesize'  13251622
                                           'mtime'  1620301448
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal CD1 08. eid metal
                                      'tag_artist'  TesseracT
                                     'tag_release'  Polaris / Errai
                                       'tag_title'  Cages
                                             'bpm'  106.5
                                    'search_title'  'cages':1
                                   'search_artist'  't':3 'tesserac':2 'tesseract':1
                                  'search_release'  'errai':2 'polaris':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '08':4,5 'cd1':3 'eid':6 'metal':7
                                    'search_combo'  '00dwimp':7 '00metal':8 '08':10,11 'cages':1A 'cd1':9 'eid':12 'errai':6C 'metal':13 'polaris':5C 't':4B 'tesserac':3B 'tesseract':2B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['math metal', 'technical metal', 'djent', 'mathcore', 'progressive metal', 'experimental']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301447.8365455  (2021-05-06 13:44:07)
                             'size'  13251622