======================== unified (from filesystem) ========================
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                                        'duration'  '118'
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                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '32'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.817'
                                             'key'  '10A'
                                        'acoustid'  '5addd6ea-3f4d-47b3-8d80-08fb3715d144'
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011'
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'TIT2' (Title/songname/content description)         "Mai's Theme"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Onra'
'TPE2' (Band/orchestra/accompaniment)               'Onra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'All City'
'TRCK' (Track number/Position in set)               '7/32'
'TSO2'                                              'Onra'
'TSOP' (Performer sort order)                       'Onra'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
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'TXXX:q-bass'                                       '3'
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'TXXX:q-chart'                                      '3'
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'TXXX:q-piano'                                      '1'
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========================== row from database ==========================
                                              'id'  1516714
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Onra/Onra - Chinoiseries Pt. 2/07 Mai_s Theme.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  118
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4790098
                                           'mtime'  1620586355
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                                     'tag_release'  Chinoiseries, Part 2
                                       'tag_title'  Mai's Theme
                                             'bpm'  90.817
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                                   'search_artist'  'onra':1
                                  'search_release'  '2':4 'chinoiseries':1,2 'part':3
                                     'search_rest'  'hip':9 'hiphop':1 'hop':10 'mai':7 'or':11 'pt':5,6 'rap':2 'rnb':3 's':8 'turntablism':4
                                    'search_combo'  '2':9C 'chinoiseries':6C,7C 'hip':18 'hiphop':10 'hop':19 'mai':1A,16 'mais':3A 'onra':5B 'or':20 'part':8C 'pt':14,15 'rap':11 'rnb':12 's':2A,17 'theme':4A 'turntablism':13
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'instrumental hip hop', 'electronic', 'hip hop', 'beats']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586354.9938257  (2021-05-09 20:52:34)
                             'size'  4790098