======================== unified (from filesystem) ========================
                                         'bitrate'  '201.26'
                                        'duration'  '222'
                                          'artist'  'Tortoise'
                                     'text_people'  ''
                                         'release'  'A Lazarus Taxon'
                                           'title'  'The Source of Uncertainty'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-post;set-pl-sced'
                                             'bpm'  '115'
                                             'key'  '4A'
                                        'acoustid'  '82b7ccc2-0a05-41ee-8f3c-ccf468e69976'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000692 000006E9 000052AB 000053CD 0002E30C 0002E30C 00008000 00007DB9 '
 '0002E2F5 000133F2')
'TALB' (Album/Movie/Show title)                     'A Lazarus Taxon'
'TBPM' (BPM (beats per minute))                     '115'
'TCON' (Content type, a.k.a. Genre)                 ['rock-post', 'set-pl-sced']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-08-22'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         'The Source of Uncertainty'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tortoise'
'TPE2' (Band/orchestra/accompaniment)               'Tortoise'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Tortoise'
'TSOP' (Performer sort order)                       'Tortoise'
'TXXX:ASIN'                                         'B000GG4KFE'
'TXXX:Acoustid Id'                                  '82b7ccc2-0a05-41ee-8f3c-ccf468e69976'
'TXXX:Artists'                                      'Tortoise'
'TXXX:BARCODE'                                      '790377015225'
'TXXX:CATALOGNUMBER'                                'thrill 152'
'TXXX:MusicBrainz Album Artist Id'                  'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'TXXX:MusicBrainz Album Id'                         '401c0c16-533f-4ec4-971b-eb4cee679ee7'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'TXXX:MusicBrainz Release Group Id'                 'a01ffc2f-5a01-3944-9749-709f6f5b5081'
'TXXX:MusicBrainz Release Track Id'                 'dde498a6-2773-370d-b611-4e1b67df9b6f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'post rock']
'TXXX:lastfmtags'                                   ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.512873'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'02008f84-f0e1-419f-b6b3-30936c7265fb')

========================== row from database ==========================
                                              'id'  269404
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tortoise/[2006] A Lazarus Taxon (disc1)/02 The Source of Uncertainty (1996 Headz 2 comp).mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  222
                                           'genre'  rock-post;set-pl-sced
                                        'filesize'  5691676
                                           'mtime'  1621489569
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2006] (disc1) 02 (1996 Headz 2 comp) rock post;set pl sced
                                      'tag_artist'  Tortoise
                                     'tag_release'  A Lazarus Taxon
                                       'tag_title'  The Source of Uncertainty
                                             'bpm'  115.0
                                    'search_title'  'of':3 'source':2 'the':1 'uncertainty':4
                                   'search_artist'  'tortoise':1
                                  'search_release'  'a':1 'lazarus':2 'taxon':3
                                     'search_rest'  '1996':5,6 '2':8 '2006':1,2 'comp':9,10 'disc1':3,4 'headz':7 'pl':16 'post':12,14 'rock':11 'sced':17 'set':13,15
                                    'search_combo'  '1996':13,14 '2':16 '2006':9,10 'a':6C 'comp':17,18 'disc1':11,12 'headz':15 'lazarus':7C 'of':3A 'pl':24 'post':20,22 'rock':19 'sced':25 'set':21,23 'source':2A 'taxon':8C 'the':1A 'tortoise':5B 'uncertainty':4A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1621489568.656763  (2021-05-20 07:46:08)
                             'size'  5691676