======================== unified (from filesystem) ========================
                                         'bitrate'  '127.975'
                                        'duration'  '133'
                                          'artist'  'Queen'
                                     'text_people'  ''
                                         'release'  'A Night at the Opera'
                                           'title'  'Seaside Rendezvous'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-3', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '84.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'A Night at the Opera'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1975-11-21'
'TIT2' (Title/songname/content description)         'Seaside Rendezvous'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPUB' (Publisher)                                  'EMI Records'
'TRCK' (Track number/Position in set)               '7/12'
'TSOP' (Performer sort order)                       'Queen'
'TSRC' (ISRC (international standard recording code))  'GBCEE0500370'
'TXXX:ALBUMARTISTSORT'                              'Queen'
'TXXX:CATALOGNUMBER'                                'EMTC 103'
'TXXX:MusicBrainz Album Artist Id'                  '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicBrainz Album Id'                         '6defd963-fe91-4550-b18e-82c685603c2b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicMagic Data'                              'AgECC1dAkg6ZaLjrhZpW6FMugAGB9Y0ZAeOsKUVYmPX8P4ABiNUYF7wDtEbQ0LhXgwiAARETkGwRubhbhvLKxABFA+22TN9LhZmJB5hpoKHNwoikACw1EYLpgduFQ/cGoYwu2oRs/aOLT4iRAhSwsqd9xtSdJYT1g1Xm9KdP90a5cYUatIz/lfKqqXi/rJkPgNM='
'TXXX:MusicMagic Fingerprint'                       '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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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'rock'
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.524636'

========================== row from database ==========================
                                              'id'  1465302
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/QU_OPE07.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  133
                                           'genre'  rock-cppex-classic
                                        'filesize'  2134970
                                           'mtime'  1636039347
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] QU_OPE07 rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  A Night at the Opera
                                       'tag_title'  Seaside Rendezvous
                                             'bpm'  84.1
                                    'search_title'  'rendezvous':2 'seaside':1
                                   'search_artist'  'queen':1
                                  'search_release'  'a':1 'at':3 'night':2 'opera':5 'the':4
                                     'search_rest'  '00poprockelectronic':1 'classic':11 'cppex':10 'files':5,6 'loose':3,4 'ope07':8 'qu':7 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'a':4C 'at':6C 'classic':19 'cppex':18 'files':13,14 'loose':11,12 'night':5C 'ope07':16 'opera':8C 'qu':15 'queen':3B 'rendezvous':2A 'rock':17 'seaside':1A 'the':7C 'unsorted':10
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636039347.3944564  (2021-11-04 16:22:27)
                             'size'  2134970