======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '149'
                                          'artist'  'Monty Python'
                                     'text_people'  ''
                                         'release'  'Dr. Demento: 30th Anniversary'
                                           'title'  'Lumberjack Song'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'humour', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '121.774'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dr. Demento: 30th Anniversary'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Lumberjack Song'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Monty Python'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'humour', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.15 dB'
'TXXX:replaygain_track_peak'                        '0.420300'

========================== row from database ==========================
                                              'id'  1338121
                                            'path'  /data/Music/Bulk/00spent/Unsorted/MBZ;#Monty Python;#Dr Demento 30th Anniversary Collection (disc 2);#10;#Lumberjack Song.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  149
                                           'genre'  entertaining-unsorted
                                        'filesize'  4783031
                                           'mtime'  1676126969
                                   'redo_metaread'  0
                                        'rest_str'   00spent Unsorted MBZ;#Monty Python;#Dr Collection (disc 2);#10;#Lumberjack entertaining unsorted
                                      'tag_artist'  Monty Python
                                     'tag_release'  Dr. Demento: 30th Anniversary
                                       'tag_title'  Lumberjack Song
                                             'bpm'  121.774
                                    'search_title'  'lumberjack':1 'song':2
                                   'search_artist'  'monty':1 'python':2
                                  'search_release'  '30th':5 'anniversary':6 'demento':3,4 'dr':1,2
                                     'search_rest'  '00spent':1 '10':15,18 '2':14,17 'collection':11 'disc':12,13 'dr':8,10 'entertaining':20 'lumberjack':16,19 'mbz':3,5 'monty':4,6 'python':7,9 'unsorted':2
                                    'search_combo'  '00spent':11 '10':25,28 '2':24,27 '30th':9C 'anniversary':10C 'collection':21 'demento':7C,8C 'disc':22,23 'dr':5C,6C,18,20 'entertaining':30 'lumberjack':1A,26,29 'mbz':13,15 'monty':3B,14,16 'python':4B,17,19 'song':2A 'unsorted':12
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'humour', 'british']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676126969.3346798  (2023-02-11 15:49:29)
                             'size'  4783031