======================== unified (from filesystem) ========================
                                         'bitrate'  '261.954'
                                        'duration'  '193'
                                          'artist'  'Phoenix'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  '1901'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'electronic', 'french', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '228'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '144.130'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         '1901'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Phoenix'
'TRCK' (Track number/Position in set)               '228'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'electronic', 'french', 'rock']
'TXXX:q-bass'                                       '2'
'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'                        '+7.97 dB'
'TXXX:replaygain_track_peak'                        '0.140548'

========================== row from database ==========================
                                              'id'  1310690
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/228 - Phoenix - 1901.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  193
                                           'genre'  rock-pop
                                        'filesize'  6328145
                                           'mtime'  1621630238
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 228 rock pop
                                      'tag_artist'  Phoenix
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  1901
                                             'bpm'  144.13
                                    'search_title'  '1901':1
                                   'search_artist'  'phoenix':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '228':3 'pop':5 'rock':4 'va':2
                                    'search_combo'  '00poprockelectronic':11 '1901':1A '2000s':10C '228':13 '500':7C 'of':9C 'phoenix':2B 'pitchfork':3C,4C 'pop':15 'rock':14 'the':5C 'top':6C 'tracks':8C 'va':12
                                    'tag_tracknum'  228
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', '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-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'electronic', 'french', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630237.6322842  (2021-05-21 22:50:37)
                             'size'  6328145