======================== unified (from filesystem) ========================
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                                        'duration'  '188'
                                          'artist'  'Ann Peebles'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '22'
                                            'date'  '1975'
                                        'comments'  ''
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                                             'bpm'  '120.471'
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rest: ''

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

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'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ann Peebles'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Ann Peebles - Dr. Love Power.mp3
                                         'working'  None
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                                    'duration_sec'  188
                                           'genre'  set-pl-spelling
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                                       'tag_title'  Ann Peebles- Dr. Love Power
                                             'bpm'  120.471
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                                      'lastfmtags'  ['rhythm and blues', 'female vocalists', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356288.0717506  (2021-05-07 04:58:08)
                             'size'  4521196