======================== unified (from filesystem) ========================
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                                            'date'  '2001'
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======================== rawer (from filesystem) ========================

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'TDRC' (Recording time)                             '2001-11-12'
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'TPE2' (Band/orchestra/accompaniment)               'Penguin Cafe Orchestra'
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'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '3/19'
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'TSOP' (Performer sort order)                       'Penguin Cafe Orchestra'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00instruments-classical/2001 A Brief History/03. Music For A Found Harmonium.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  219
                                           'genre'  prerock-classical or classical instruments;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  8804225
                                           'mtime'  1620539529
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                                        'rest_str'   00instruments classical 2001 03. For prerock classical classical instruments;prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  A Brief History
                                       'tag_title'  Music for a Found Harmonium
                                             'bpm'  96.9
                                    'search_title'  'a':3 'for':2 'found':4 'harmonium':5 'music':1
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
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                                     'search_rest'  '00instruments':1 '03':4,5 '2001':3 'bossa':16 'classical':2 'exotica':15 'for':6 'instruments':8,10 'jazz':13 'jb':12 'lounge':14 'prerock':7,9,11
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                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'modern classical', 'art rock']

============================== file details ==============================
                                           'mtime'  1620539529.3637688  (2021-05-09 07:52:09)
                             'size'  8804225