======================== unified (from filesystem) ========================
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                                        'duration'  '62'
                                          'artist'  'Lubos Fiser'
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                                         'release'  'Valerie and Her Week of Wonders'
                                           'title'  'The Work of Death'
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                                      'lastfmtags'  ("['soundtrack', 'contemporary classical', 'classical', 'czech', 'lullabies "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '23'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments;soundtrack-video'
                                             'bpm'  '141.909'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Valerie and Her Week of Wonders'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments', 'soundtrack-video']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'The Work of Death'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lubos Fiser'
'TPE2' (Band/orchestra/accompaniment)               'Lubos Fiser'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Finders Keepers'
'TRCK' (Track number/Position in set)               '7/23'
'TSO2'                                              'Fišer, Luboš'
'TSOP' (Performer sort order)                       'Fišer, Luboš'
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'TXXX:MusicBrainz Album Artist Id'                  '8a626331-bc67-42a3-a97d-134b8537034a'
'TXXX:MusicBrainz Album Id'                         '67494c6f-e5b2-4c08-9ad1-14d0b0ba896b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '8a626331-bc67-42a3-a97d-134b8537034a'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack',
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'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.467544'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bec03c4f-ac35-4469-b4f2-02c1fa852b3b')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0soundtrack/Lubos Fiser - Valerie And Her Week Of Wonders OST (Finders Keepers) 1970 [vbr]/07 the work of death.mp3
                                         'working'  None
                                         'bitrate'  151
                                    'duration_sec'  62
                                           'genre'  prerock-classical or classical instruments;soundtrack-video
                                        'filesize'  1196051
                                           'mtime'  1636913638
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack And Of OST (Finders Keepers) 1970 [vbr] 07 the work death prerock classical classical instruments;soundtrack video
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                                       'tag_title'  The Work of Death
                                             'bpm'  141.909
                                    'search_title'  'death':4 'of':3 'the':1 'work':2
                                   'search_artist'  'fiser':2 'lubos':1
                                  'search_release'  'and':2 'her':3 'of':5 'valerie':1 'week':4 'wonders':6
                                     'search_rest'  '0soundtrack':1 '1970':9 'and':2 'classical':16 'death':14 'finders':5,6 'instruments':17,19 'keepers':7,8 'of':3 'ost':4 'prerock':15 'soundtrack':18,20 'the':12 'vbr':10,11 'video':21 'work':13
                                    'search_combo'  '0soundtrack':13 '1970':21 'and':8C,14 'classical':28 'death':4A,26 'finders':17,18 'fiser':6B 'her':9C 'instruments':29,31 'keepers':19,20 'lubos':5B 'of':3A,11C,15 'ost':16 'prerock':27 'soundtrack':30,32 'the':1A,24 'valerie':7C 'vbr':22,23 'video':33 'week':10C 'wonders':12C 'work':2A,25
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'contemporary classical', 'classical', 'czech', 'lullabies for vampires']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913637.9817882  (2021-11-14 19:13:57)
                             'size'  1196051