======================== unified (from filesystem) ========================
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                                        'duration'  '148'
                                          'artist'  'Tiruvasanallur Narayanasami Iyer'
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                                         'release'  ('Indian Talking Machine: 78 RPM Record and Gramophone Collecting on the '
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                                           'title'  'Pallavi Sankarabharanam-Adhi Talam'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '23'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '84'
                                             'key'  '12B'
                                        'acoustid'  'af22f03a-d008-4900-9444-7e1b6797b487'
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Pallavi Sankarabharanam-Adhi Talam'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tiruvasanallur Narayanasami Iyer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '21/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Iyer, Tiruvasanallur Narayanasami'
'TXXX:Acoustid Id'                                  'af22f03a-d008-4900-9444-7e1b6797b487'
'TXXX:Artists'                                      'Tiruvasanallur Narayanasami Iyer'
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'TXXX:MusicBrainz Album Id'                         'ea1b7132-96d4-48f1-88cb-99dc765f4361'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '7b91940c-cc8e-4aa8-bc21-6603b6192464'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2016'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.564173'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'052fb0ae-e70f-41a7-bb75-6d052f7eeef3')

========================== row from database ==========================
                                              'id'  931532
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Indian Talking Machine 78 RPM Record and Gramophone Collecting on the Sub-Continent/21 Sanskrit Song (Nadha hare jagannadha hare) Part 1 - pallavi Sankarabharanam-Adhi Talam.mp3
                                         'working'  None
                                         'bitrate'  139
                                    'duration_sec'  148
                                           'genre'  loc-asia-india
                                        'filesize'  2675313
                                           'mtime'  1621629143
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 21 Sanskrit Song (Nadha hare jagannadha hare) Part 1 pallavi loc asia india
                                      'tag_artist'  Tiruvasanallur Narayanasami Iyer
                                     'tag_release'  Indian Talking Machine: 78 RPM Record and Gramophone Collecting on the Sub-Continent
                                       'tag_title'  Pallavi Sankarabharanam-Adhi Talam
                                             'bpm'  84.0
                                    'search_title'  'adhi':3 'pallavi':1 'sankarabharanam':2 'sankarabharanamadhi':4 'talam':5
                                   'search_artist'  'iyer':3 'narayanasami':2 'tiruvasanallur':1
                                  'search_release'  '78':5 'and':8 'collecting':10 'continent':14 'gramophone':9 'indian':1 'machine':3,4 'on':11 'record':7 'rpm':6 'sub':13 'subcontinent':15 'talking':2 'the':12
                                     'search_rest'  '00asia':1 '1':11 '21':2 'asia':14 'hare':7,9 'india':15 'jagannadha':8 'loc':13 'nadha':5,6 'pallavi':12 'part':10 'sanskrit':3 'song':4
                                    'search_combo'  '00asia':24 '1':34 '21':25 '78':13C 'adhi':3A 'and':16C 'asia':37 'collecting':18C 'continent':22C 'gramophone':17C 'hare':30,32 'india':38 'indian':9C 'iyer':8B 'jagannadha':31 'loc':36 'machine':11C,12C 'nadha':28,29 'narayanasami':7B 'on':19C 'pallavi':1A,35 'part':33 'record':15C 'rpm':14C 'sankarabharanam':2A 'sankarabharanamadhi':4A 'sanskrit':26 'song':27 'sub':21C 'subcontinent':23C 'talam':5A 'talking':10C 'the':20C 'tiruvasanallur':6B
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629143.2260056  (2021-05-21 22:32:23)
                             'size'  2675313