======================== unified (from filesystem) ========================
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                                        'duration'  '169'
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                                           'title'  "I'm Getting Wild About Her"
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                                      'tracktotal'  '25'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '94.591'
                                             'key'  '8A'
                                        'acoustid'  'fd9dcb0b-807e-4fd9-bace-6fb7ca221534'
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======================== rawer (from filesystem) ========================

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'TDRC' (Recording time)                             '2012-09-28'
'TENC' (Encoded by)                                 'dBpoweramp Release 14.2'
'TIT2' (Title/songname/content description)         "I'm Getting Wild About Her"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Joe Williams'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
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'TPUB' (Publisher)                                  'Not Now Music'
'TRCK' (Track number/Position in set)               '18/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Williams, Big Joe'
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'TXXX:Artists'                                      'Big Joe Williams'
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Raw Blues Classics Vol. 2/18 - Big Joe Williams - I_m Getting Wild About Her.mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  169
                                           'genre'  prerock-jb-blues
                                        'filesize'  4697294
                                           'mtime'  1620402863
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Raw Classics Vol. 2 18 I_m prerock jb blues
                                      'tag_artist'  Big Joe Williams
                                     'tag_release'  Acoustic Blues
                                       'tag_title'  I'm Getting Wild About Her
                                             'bpm'  94.591
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                                   'search_artist'  'big':1 'joe':2 'williams':3
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                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'old blues', 'blues', 'delta blues', 'blues guitar']
                                        'tag_date'  2012
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620402862.9106371  (2021-05-07 17:54:22)
                             'size'  4697294