======================== unified (from filesystem) ========================
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                                        'duration'  '298'
                                          'artist'  'A. R. Rahman'
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                                           'title'  'Rang De'
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                                      'lastfmtags'  "['soundtrack', 'bollywood', 'indian', 'hindi', 'a r rahman']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '122.1'
                                             'key'  '10B'
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     "I ♥ Bollywood: 15 Classic Tracks From Bollywood's Greatest Singers"
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'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-10-15'
'TIT2' (Title/songname/content description)         'Rang De'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'A. R. Rahman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Manteca'
'TRCK' (Track number/Position in set)               '15/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Rahman, A. R.'
'TXXX:ASIN'                                         'B00005QBEF'
'TXXX:Acoustid Id'                                  '114488b4-9d9f-498a-bd7b-92e4aaa159f4'
'TXXX:Artists'                                      'A. R. Rahman'
'TXXX:BARCODE'                                      '698458202925'
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'TXXX:MusicBrainz Album Id'                         '198e1cac-83b7-4ae3-9724-3391020f34fb'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'e0bba708-bdd3-478d-84ea-c706413bedab'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'bollywood', 'indian', 'hindi', 'a r rahman']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.803363'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/00asia/asha bhosle & mohd rafi - (india) i love bollywood (2001)/15 - rang de (from thakshak) - asha bhosle & chorus.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  298
                                           'genre'  loc-asia-india
                                        'filesize'  7254082
                                           'mtime'  1621508914
                                   'redo_metaread'  0
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                                      'tag_artist'  A. R. Rahman
                                     'tag_release'  I ♥ Bollywood: 15 Classic Tracks From Bollywood's Greatest Singers
                                       'tag_title'  Rang De
                                             'bpm'  122.1
                                    'search_title'  'de':2 'rang':1
                                   'search_artist'  'a':1,2 'r':3,4 'rahman':5
                                  'search_release'  'bollywood':2,3,7 'bollywoods':9 'classic':4 'from':6 'greatest':10 'i':1 's':8 'singers':11 'tracks':5
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                                    'search_combo'  '00asia':19 '2001':28,29 'a':3B,4B 'asha':20 'asia':38 'bhosle':21 'bollywood':9C,10C,14C,27 'bollywoods':16C 'chorus':36 'classic':11C 'de':2A,31 'from':13C,32,33 'greatest':17C 'i':8C 'india':24,25 'loc':37 'love':26 'mohd':22 'r':5B,6B 'rafi':23 'rahman':7B 'rang':1A,30 's':15C 'singers':18C 'thakshak':34,35 'tracks':12C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'bollywood', 'indian', 'hindi', 'a r rahman']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621508913.7450476  (2021-05-20 13:08:33)
                             'size'  7254082