======================== unified (from filesystem) ========================
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                                        'duration'  '296'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '15'
                                            'date'  '2005'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     "Aretha Franklin & King Curtis Live at Fillmore West: Don't Fight the Feeling"
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'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-05-03'
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'TIT2' (Title/songname/content description)         'A Whiter Shade of Pale'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'King Curtis'
'TPE2' (Band/orchestra/accompaniment)               'Aretha Franklin & King Curtis'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'Rhino Handmade'
'TRCK' (Track number/Position in set)               '8/15'
'TSO2'                                              'Franklin, Aretha & Curtis, King'
'TSOP' (Performer sort order)                       'Curtis, King'
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'TXXX:Artists'                                      'King Curtis'
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'TXXX:SCRIPT'                                       'Latn'
'TXXX:comment'                                      'EAC Flac 1.1.2 -8'
'TXXX:lastfmtags'                                   ['soul', 'funk']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-play'                                       '3'
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'TXXX:q-vocals'                                     '1'
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                                           'genre'  hip hop or rnb or rap or turntablism
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                                      'tag_artist'  Aretha Franklin & King Curtis
                                     'tag_release'  Aretha Franklin & King Curtis Live at Fillmore West: Don't Fight the Feeling
                                       'tag_title'  A Whiter Shade of Pale
                                             'bpm'  112.0
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                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527687.5377755  (2021-05-09 04:34:47)
                             'size'  11874026