======================== unified (from filesystem) ========================
                                         'bitrate'  '261.637'
                                        'duration'  '226'
                                          'artist'  'The New Pornographers'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Letter From an Occupant'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '088'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '140.725'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Letter From an Occupant'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The New Pornographers'
'TRCK' (Track number/Position in set)               '088'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+10.28 dB'
'TXXX:replaygain_track_peak'                        '0.112578'

========================== row from database ==========================
                                              'id'  1307935
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/088 - The New Pornographers - Letter From an Occupant.mp3
                                         'working'  None
                                         'bitrate'  261
                                    'duration_sec'  226
                                           'genre'  rock-pop
                                        'filesize'  7396883
                                           'mtime'  1620392424
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 088 rock pop
                                      'tag_artist'  The New Pornographers
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Letter From an Occupant
                                             'bpm'  140.725
                                    'search_title'  'an':3 'from':2 'letter':1 'occupant':4
                                   'search_artist'  'new':2 'pornographers':3 'the':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 'pop':4 'rock':3 'va':2
                                    'search_combo'  '00poprockelectronic':16 '2000s':15C '500':12C 'an':3A 'from':2A 'letter':1A 'new':6B 'occupant':4A 'of':14C 'pitchfork':8C,9C 'pop':19 'pornographers':7B 'rock':18 'the':5B,10C 'top':11C 'tracks':13C 'va':17
                                    'tag_tracknum'  88
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'canadian']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620392423.6010249  (2021-05-07 15:00:23)
                             'size'  7396883