======================== unified (from filesystem) ========================
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                                          'artist'  'Mike Oldfield'
                                     'text_people'  'Mike Oldfield'
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                             'musicbrainz_albumid'  '28976ad2-cd06-4e54-976c-4a7b42217612'
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                                      'tracktotal'  '17'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '110.724'
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                                        'acoustid'  ''
rest: ''

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

'added_timestamp'                                   '128930990202923527'
'album'                                             'The Songs of Distant Earth'
'albumartist'                                       'Mike Oldfield'
'albumartistsort'                                   'Oldfield, Mike'
'analysis'                                          ('MusicMagic '
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'artist'                                            'Mike Oldfield'
'artistsort'                                        'Oldfield, Mike'
'bpm'                                               '110.724'
'composer'                                          'Mike Oldfield'
'date'                                              '1994-11-21'
'engineer'                                          ['Tom Newman', 'Steve MacMillan', 'Mike Oldfield', 'Gregg Jackman']
'genre'                                             'prerock-jb-blues'
'key'                                               '6B'
'language'                                          'eng'
'lastfmtags'                                        ['new age', 'instrumental', 'progressive rock', 'electronic', 'ambient']
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'musicip_puid'                                      '52883572-d004-9471-fe47-8c5a1d6705d0'
'performer'                                         ["Members of 'Veulam Consort' (guest vocal)",
 'The Tallis Scholars (guest vocal)',
 'Cori Josias (guest vocal)',
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 'Ellla Harper (guest vocal)',
 'David Nickless (guest vocal)',
 'Mark Rutherford (guest drum and machine)',
 'Pandit Dinesh (guest tabla)',
 "Sugar 'J' (additional guest drum and machine)",
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'producer'                                          'Mike Oldfield'
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'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '1'
'q-unu'                                             '1'
'q-vocals'                                          '3'
'releasecountry'                                    'GB'
'releasestatus'                                     'official'
'releasetype'                                       'album'
'replaygain_track_gain'                             '-4.11 dB'
'replaygain_track_peak'                             '0.978287'
'script'                                            'Latn'
'title'                                             'Hibernaculum'
'tracknumber'                                       '11'
'tracktotal'                                        '17'

========================== row from database ==========================
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                                           'genre'  prerock-jb-blues
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                                           'mtime'  1620403793
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                                     'tag_release'  The Songs of Distant Earth
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                                             'bpm'  110.724
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                                      'lastfmtags'  ['new age', 'instrumental', 'progressive rock', 'electronic', 'ambient']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
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                             'size'  4953034