======================== unified (from filesystem) ========================
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                                        'duration'  '275'
                                          'artist'  'Sia'
                                     'text_people'  ''
                                         'release'  'Healing Is Difficult'
                                           'title'  'Taken for Granted'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '100.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Healing Is Difficult'
'TBPM' (BPM (beats per minute))                     '100.0'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '2001'
'TDRL' (Release time)                               '2001'
'TIT2' (Title/songname/content description)         'Taken for Granted'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'TSOP' (Performer sort order)                       'Sia'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '057,206'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'TXXX:MusicBrainz Album Artist'                     'Sia'
'TXXX:MusicBrainz Album Artist Id'                  '2f548675-008d-4332-876c-108b0c7ab9c5'
'TXXX:MusicBrainz Album Artist Sortname'            'Sia'
'TXXX:MusicBrainz Album Id'                         '36e312ba-3351-4dd7-98b3-9af83956aad8'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2f548675-008d-4332-876c-108b0c7ab9c5'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '5e81a638-825c-8507-550a-a4d6f5715dd1'
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'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.491740'

========================== row from database ==========================
                                              'id'  1471971
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sia/Sia - Healing Is Difficult/Sia - Healing Is Difficult - 03 - Taken for Granted.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  275
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  8807530
                                           'mtime'  1620572059
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 ifs songwriter pop
                                      'tag_artist'  Sia
                                     'tag_release'  Healing Is Difficult
                                       'tag_title'  Taken for Granted
                                             'bpm'  100.0
                                    'search_title'  'for':2 'granted':3 'taken':1
                                   'search_artist'  'sia':1
                                  'search_release'  'difficult':3 'healing':1 'is':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'pop':4 'songwriter':3
                                    'search_combo'  '00poprockelectronic':8 'difficult':7C 'for':2A 'granted':3A 'healing':5C 'ifs':9 'is':6C 'pop':11 'sia':4B 'songwriter':10 'taken':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620572059.0914817  (2021-05-09 16:54:19)
                             'size'  8807530