======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '122'
                                          'artist'  'Queen'
                                     'text_people'  'Brian May'
                                         'release'  "60's, 70's & 80's Music"
                                           'title'  'We Will Rock You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;set-pl-billboard'
                                             'bpm'  '84.035'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000974 00000A0D 00004283 00004235 0000D328 00005FB1 00007DA0 00007D62 '
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'TALB' (Album/Movie/Show title)                     "60's, 70's & 80's Music"
'TBPM' (BPM (beats per minute))                     '84.035'
'TCOM' (Composer)                                   'Brian May'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'set-pl-billboard']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'We Will Rock You'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '16'
'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', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.490724'

========================== row from database ==========================
                                              'id'  1312111
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/16 - we will rock you(2).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  122
                                           'genre'  rock-cppex-classic;set-pl-billboard
                                        'filesize'  4915200
                                           'mtime'  1636039342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 16 we will rock you(2) rock cppex classic;set pl billboard
                                      'tag_artist'  Queen
                                     'tag_release'  60's, 70's & 80's Music
                                       'tag_title'  We Will Rock You
                                             'bpm'  84.035
                                    'search_title'  'rock':3 'we':1 'will':2 'you':4
                                   'search_artist'  'queen':1
                                  'search_release'  '60':1 '60s':3 '70':4 '70s':6 '80':7 '80s':9 'music':10 's':2,5,8
                                     'search_rest'  '00poprockelectronic':1 '2':11 'billboard':19 'classic':14,16 'cppex':13 'files':5,6 'loose':3,4 'pl':18 'rock':9 'set':15,17 'unsorted':2 'we':7 'will':8 'you':10 'you2':12
                                    'search_combo'  '00poprockelectronic':16 '2':26 '60':6C '60s':8C '70':9C '70s':11C '80':12C '80s':14C 'billboard':34 'classic':29,31 'cppex':28 'files':20,21 'loose':18,19 'music':15C 'pl':33 'queen':5B 'rock':3A,24 's':7C,10C,13C 'set':30,32 'unsorted':17 'we':1A,22 'will':2A,23 'you':4A,25 'you2':27
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039342.2752864  (2021-11-04 16:22:22)
                             'size'  4915200