======================== unified (from filesystem) ========================
                                         'bitrate'  '240.524'
                                        'duration'  '247'
                                          'artist'  'The Pains of Being Pure at Heart'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
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                                        'comments'  ''
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                                             'bpm'  '108.996'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Young Adult Friction'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pains of Being Pure at Heart'
'TRCK' (Track number/Position in set)               '374'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'shoegaze', 'dream pop', 'twee']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+13.92 dB'
'TXXX:replaygain_track_peak'                        '0.078979'

========================== row from database ==========================
                                              'id'  1288905
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/374 - The Pains of Being Pure at Heart - Young Adult Friction.mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  247
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  7458920
                                           'mtime'  1620573300
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 374 electronic generic radio unsorted
                                      'tag_artist'  The Pains of Being Pure at Heart
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Young Adult Friction
                                             'bpm'  108.996
                                    'search_title'  'adult':2 'friction':3 'young':1
                                   'search_artist'  'at':6 'being':4 'heart':7 'of':3 'pains':2 'pure':5 'the':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '374':3 'electronic':4 'generic':5 'radio':6 'unsorted':7 'va':2
                                    'search_combo'  '00poprockelectronic':19 '2000s':18C '374':21 '500':15C 'adult':2A 'at':9B 'being':7B 'electronic':22 'friction':3A 'generic':23 'heart':10B 'of':6B,17C 'pains':5B 'pitchfork':11C,12C 'pure':8B 'radio':24 'the':4B,13C 'top':14C 'tracks':16C 'unsorted':25 'va':20 'young':1A
                                    'tag_tracknum'  374
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'shoegaze', 'dream pop', 'twee']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573300.0456262  (2021-05-09 17:15:00)
                             'size'  7458920