======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '226'
                                          'artist'  'Bill Cosby'
                                     'text_people'  ''
                                         'release'  'Bill Cosby Talks to Kids About Drugs'
                                           'title'  'Order in the Classroom'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-instruction'
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rest: ''

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'TBPM' (BPM (beats per minute))                     '85.561'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-instruction'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Order in the Classroom'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Cosby'
'TPE2' (Band/orchestra/accompaniment)               'Bill Cosby'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Cosby, Bill'
'TSOP' (Performer sort order)                       'Cosby, Bill'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:MusicBrainz Artist Id'                        '0646d80c-7ee1-46e9-a169-2979dee41bc6'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['all', 'comedy', 'humor', 'stand up', 'stand up comedy tag', 'stand up comedy']
'TXXX:q-bass'                                       '1'
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'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
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========================== row from database ==========================
                                              'id'  506413
                                            'path'  /data/Music/Bulk/0nonmusic/Bill Cosby - Talks To Kids About Drugs (Uni Records, 1971) [128k]/06 Order In The Classroom.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  226
                                           'genre'  nonmusic-speech-instruction
                                        'filesize'  3633073
                                           'mtime'  1620562177
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic To (Uni Records, 1971) [128k] 06 In The nonmusic speech instruction
                                      'tag_artist'  Bill Cosby
                                     'tag_release'  Bill Cosby Talks to Kids About Drugs
                                       'tag_title'  Order in the Classroom
                                             'bpm'  85.561
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                                   'search_artist'  'bill':1 'cosby':2
                                  'search_release'  'about':6 'bill':1 'cosby':2 'drugs':7 'kids':5 'talks':3 'to':4
                                     'search_rest'  '0nonmusic':1 '128k':9,10 '1971':7,8 'in':11 'instruction':15 'nonmusic':13 'records':5,6 'speech':14 'the':12 'to':2 'uni':3,4
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                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', 'comedy', 'humor', 'stand up', 'stand up comedy tag', 'stand up comedy']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562176.5564854  (2021-05-09 14:09:36)
                             'size'  3633073