======================== unified (from filesystem) ========================
                                         'bitrate'  '178.31'
                                        'duration'  '221'
                                          'artist'  'Tortoise'
                                     'text_people'  ''
                                         'release'  'A Lazarus Taxon'
                                           'title'  'Restless Waters'
                                           '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-2', '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'  '11'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-post;set-pl-sced'
                                             'bpm'  '117.9'
                                             'key'  '7B'
                                        'acoustid'  'a4727f22-38fb-4df9-b1a6-b7245b5a19d7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000399 000003A5 00000C33 00000C10 000094D0 000094D0 00008000 00008000 '
 '00024169 00024169')
'TALB' (Album/Movie/Show title)                     'A Lazarus Taxon'
'TBPM' (BPM (beats per minute))                     '117.9'
'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)         'Restless Waters'
'TKEY' (Initial key)                                '7B'
'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)               '11/13'
'TSO2'                                              'Tortoise'
'TSOP' (Performer sort order)                       'Tortoise'
'TXXX:ASIN'                                         'B000GG4KFE'
'TXXX:Acoustid Id'                                  'a4727f22-38fb-4df9-b1a6-b7245b5a19d7'
'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'                 'ddb8c8cf-6632-3d04-999a-e3deef053a85'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.40 dB'
'TXXX:replaygain_track_peak'                        '0.598978'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bcb5229e-6d95-4afe-91e1-f8bc42775622')

========================== row from database ==========================
                                              'id'  448636
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tortoise/[2006] A Lazarus Taxon (disc1)/11 Restless Waters (1996 The Lounge Ax Defense & Relocation comp).mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  221
                                           'genre'  rock-post;set-pl-sced
                                        'filesize'  5024671
                                           'mtime'  1621489569
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2006] (disc1) 11 (1996 The Lounge Ax Defense & Relocation comp) rock post;set pl sced
                                      'tag_artist'  Tortoise
                                     'tag_release'  A Lazarus Taxon
                                       'tag_title'  Restless Waters
                                             'bpm'  117.9
                                    'search_title'  'restless':1 'waters':2
                                   'search_artist'  'tortoise':1
                                  'search_release'  'a':1 'lazarus':2 'taxon':3
                                     'search_rest'  '1996':5,6 '2006':1,2 'ax':9 'comp':12,13 'defense':10 'disc1':3,4 'lounge':8 'pl':19 'post':15,17 'relocation':11 'rock':14 'sced':20 'set':16,18 'the':7
                                    'search_combo'  '1996':11,12 '2006':7,8 'a':4C 'ax':15 'comp':18,19 'defense':16 'disc1':9,10 'lazarus':5C 'lounge':14 'pl':25 'post':21,23 'relocation':17 'restless':1A 'rock':20 'sced':26 'set':22,24 'taxon':6C 'the':13 'tortoise':3B 'waters':2A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7B
                                           '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-2', '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'  1621489569.4289057  (2021-05-20 07:46:09)
                             'size'  5024671