======================== unified (from filesystem) ========================
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                                        'duration'  '382'
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                                      'lastfmtags'  "['instrumental', 'indie', 'alternative', 'post rock']"
                                     'discogstags'  "['rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '10'
                                            'date'  '2011'
                                        'comments'  ''
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                                             'key'  '4A'
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rest: ''

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

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'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'How to Be a Werewolf'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mogwai'
'TPE2' (Band/orchestra/accompaniment)               'Mogwai'
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'TPUB' (Publisher)                                  'Love Da Records/Rock Action Records'
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'TSO2'                                              'Mogwai'
'TSOP' (Performer sort order)                       'Mogwai'
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'TXXX:Artists'                                      'Mogwai'
'TXXX:BARCODE'                                      '4897028490830'
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'TXXX:MusicBrainz Album Id'                         '94f4bf51-b0be-4fd3-bfd0-0f744bc18a93'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
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'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'alternative', 'post rock']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.374261'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eb7c22c5-65c9-4143-8bc0-e86b54277344')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/Mogwai/Mogwai - Hardcore Will Never Die, But You Will [mp3-320-2011]/08 - How To Be A Werewolf.mp3
                                         'working'  None
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                                    'duration_sec'  382
                                           'genre'  rock-post
                                        'filesize'  15310986
                                           'mtime'  1678905645
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [mp3 320 2011] 08 To A rock post
                                      'tag_artist'  Mogwai
                                     'tag_release'  Hardcore Will Never Die, But You Will
                                       'tag_title'  How to Be a Werewolf
                                             'bpm'  127.0
                                    'search_title'  'a':4 'be':3 'how':1 'to':2 'werewolf':5
                                   'search_artist'  'mogwai':1
                                  'search_release'  'but':6 'die':4,5 'hardcore':1 'never':3 'will':2 'you':7
                                     'search_rest'  '00poprockelectronic':1 '2011':5,6 '320':4 'a':8 'mp3':2,3 'post':10 'rock':9 'to':7
                                    'search_combo'  '00poprockelectronic':14 '2011':18,19 '320':17 'a':4A,21 'be':3A 'but':12C 'die':10C,11C 'hardcore':7C 'how':1A 'mogwai':6B 'mp3':15,16 'never':9C 'post':23 'rock':22 'to':2A,20 'werewolf':5A 'will':8C 'you':13C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', '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-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'alternative', 'post rock']
                                        'tag_date'  2011
                                     'discogstags'  ['rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1678905644.8701367  (2023-03-15 19:40:44)
                             'size'  15310986