======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '389'
                                          'artist'  'Leonard Bernstein, New York Philharmonic Orchestra'
                                     'text_people'  'Tchaikovsky, Peter I.'
                                         'release'  'Nodame Cantabile Best100'
                                           'title'  'The Nutcracker, Op.71a - Waltz of the Flowers'
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                                            'date'  '1960'
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                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '139.0'
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rest: ''

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

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'TCOM' (Composer)                                   'Tchaikovsky, Peter I.'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         'The Nutcracker, Op.71a - Waltz of the Flowers'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leonard Bernstein, New York Philharmonic Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '7/8'
'TRCK' (Track number/Position in set)               '3/12'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'nodame cantabile']
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========================== row from database ==========================
                                              'id'  309549
                                            'path'  /data/Music/Bulk/00instruments-classical/Compilations/Nodame Cantabile Best100/7-03 The Nutcracker, Op.71a - Waltz of the Flowers.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  389
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  9383214
                                           'mtime'  1620561523
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                                      'tag_artist'  Leonard Bernstein, New York Philharmonic Orchestra
                                     'tag_release'  Nodame Cantabile Best100
                                       'tag_title'  The Nutcracker, Op.71a - Waltz of the Flowers
                                             'bpm'  139.0
                                    'search_title'  '71a':5 'flowers':9 'nutcracker':2,3 'of':8 'op':4 'op71a':6 'the':1 'waltz':7
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                                  'search_release'  'best100':3 'cantabile':2 'nodame':1
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                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           '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-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'nodame cantabile']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561523.413214  (2021-05-09 13:58:43)
                             'size'  9383214