======================== unified (from filesystem) ========================
                                         'bitrate'  '213.248'
                                        'duration'  '413'
                                          'artist'  'Freddie Mercury'
                                     'text_people'  'Giorgio Moroder'
                                         'release'  'The Very Best Of Freddie Mercury Solo [Disc 2]'
                                           'title'  'Love Kills [More Oder Rework By The Glimmers]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['queen', '80s', 'rock', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '126.410'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Of Freddie Mercury Solo [Disc 2]'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCOM' (Composer)                                   'Giorgio Moroder'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Love Kills [More Oder Rework By The Glimmers]'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddie Mercury'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '13/15'
'TXXX:Encoding Params'                              'vers'
'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:UFIDhttp://www.cddb.com/id3/taginfo1.html'    '3CD3N31Q113701685U288EB5424A6D2B5B562A46AB86463EC1B6AP7'
'TXXX:iTunes_CDDB_IDs'                              '15++'
'TXXX:lastfmtags'                                   ['queen', '80s', 'rock', 'pop', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.414389'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1413339
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Freddie Mercury/The Very Best Of Freddie Mercury Solo [Disc 2]/2-13 Love Kills [More Oder Rework By The Glimmers].mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  413
                                           'genre'  rock-cppex-classic
                                        'filesize'  11019697
                                           'mtime'  1636038743
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 13 rock cppex classic
                                      'tag_artist'  Freddie Mercury
                                     'tag_release'  The Very Best Of Freddie Mercury Solo [Disc 2]
                                       'tag_title'  Love Kills [More Oder Rework By The Glimmers]
                                             'bpm'  126.41
                                    'search_title'  'by':7 'glimmers':9,10 'kills':2 'love':1 'more':3,4 'oder':5 'rework':6 'the':8
                                   'search_artist'  'freddie':1 'mercury':2
                                  'search_release'  '2':10,11 'best':3 'disc':8,9 'freddie':5 'mercury':6 'of':4 'solo':7 'the':1 'very':2
                                     'search_rest'  'classic':4 'classicprogpsy':1 'cppex':3 'rock':2
                                    'search_combo'  '2':22C,23C 'best':15C 'by':7A 'classic':27 'classicprogpsy':24 'cppex':26 'disc':20C,21C 'freddie':11B,17C 'glimmers':9A,10A 'kills':2A 'love':1A 'mercury':12B,18C 'more':3A,4A 'oder':5A 'of':16C 'rework':6A 'rock':25 'solo':19C 'the':8A,13C 'very':14C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['queen', '80s', 'rock', 'pop', 'classic rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038743.4388754  (2021-11-04 16:12:23)
                             'size'  11019697