======================== unified (from filesystem) ========================
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                                        'duration'  '173'
                                          'artist'  'G.O.A.T. AND YOUR M.O.M.'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'Quack Like A Duck'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
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 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '141.1'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Quack Like A Duck'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'G.O.A.T. AND YOUR M.O.M.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.111.0'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:audiodatarate'                                '76'
'TXXX:bytelength'                                   '26454461'
'TXXX:canseekontime'                                'true'
'TXXX:duration'                                     '173'
'TXXX:framerate'                                    '30'
'TXXX:height'                                       '480'
'TXXX:lastfmtags'                                   'extremeshocksexviolenceorcomedy'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
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'TXXX:sourcedata'                                   'BADC214C2HH1355195549956454'
'TXXX:starttime'                                    '0'
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'TXXX:width'                                        '640'

========================== row from database ==========================
                                              'id'  647936
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/G.O.A.T. AND YOUR M.O.M. Quack like a duck.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2779396
                                           'mtime'  1636916322
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs like duck electronic experimental oddness
                                      'tag_artist'  G.O.A.T. AND YOUR M.O.M.
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Quack Like A Duck
                                             'bpm'  141.1
                                    'search_title'  'a':3 'duck':4 'like':2 'quack':1
                                   'search_artist'  'a':3 'and':6 'g':1 'goat':5 'm':8,10 'mom':11 'o':2,9 't':4 'your':7
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'duck':4 'electronic':5 'experimental':6 'like':3 'maniacs':2 'music':1 'oddness':7
                                    'search_combo'  'a':3A,7B 'and':10B 'duck':4A,22 'electronic':23 'experimental':24 'for':17C 'g':5B 'goat':9B 'like':2A,21 'm':12B,14B 'maniacs':18C,20 'mom':15B 'music':16C,19 'o':6B,13B 'oddness':25 'quack':1A 't':8B 'your':11B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['extremeshocksexviolenceorcomedy']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916322.3235235  (2021-11-14 19:58:42)
                             'size'  2779396