======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '204'
                                          'artist'  'The Bangles'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Walk Like an Egyptian'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '137.385'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '137.385'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-zomg80s', 'set-pl-billboard']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Walk Like an Egyptian'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '204000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bangles'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['80s', 'new wave', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.609679'

========================== row from database ==========================
                                              'id'  1491714
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/bangles - walk like an egyptian.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  204
                                           'genre'  set-pl-zomg80s;set-pl-billboard
                                        'filesize'  3268399
                                           'mtime'  1652397836
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch bangles walk like egyptian set pl zomg80s;set pl billboard
                                      'tag_artist'  The Bangles
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Walk Like an Egyptian
                                             'bpm'  137.385
                                    'search_title'  'an':3 'egyptian':4 'like':2 'walk':1
                                   'search_artist'  'bangles':2 'the':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00dutch':4 '00mid':1 'bangles':5 'billboard':15 'egyptian':8 'europe':3 'like':7 'north':2 'pl':10 'set':9,12,14 'walk':6 'zomg80s':11,13
                                    'search_combo'  '00dutch':12 '00mid':9 'an':3A 'bangles':6B,13 'billboard':23 'egyptian':4A,16 'europe':11 'greatest':7C 'hits':8C 'like':2A,15 'north':10 'pl':18 'set':17,20,22 'the':5B 'walk':1A,14 'zomg80s':19,21
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'new wave', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397835.9853137  (2022-05-13 01:23:55)
                             'size'  3268399