======================== unified (from filesystem) ========================
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                                        'duration'  '129'
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                                      'tracktotal'  ''
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'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-americana'
'TDRC' (Recording time)                             '2006'
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'TIT2' (Title/songname/content description)         'My Time Wasted'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Micah P. Hinson And The Opera Circuit'
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========================== row from database ==========================
                                              'id'  1253846
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Micah P. Hinson And The Opera Circuit - Micah P Hinson/And The Opera Circuit/08 my time wasted.mp3
                                         'working'  None
                                         'bitrate'  157
                                    'duration_sec'  129
                                           'genre'  ifs-songwriter-americana
                                        'filesize'  2547765
                                           'mtime'  1622655616
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                                      'tag_artist'  Micah P. Hinson And The Opera Circuit
                                     'tag_release'  Micah P. Hinson And The Opera Circuit
                                       'tag_title'  My Time Wasted
                                             'bpm'  133.756
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                                  'search_release'  'and':5 'circuit':8 'hinson':4 'micah':1 'opera':7 'p':2,3 'the':6
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                                    'tag_tracknum'  8
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                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['singer-songwriter', 'folk', 'alt-country', 'indie', 'americana']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622655616.38097  (2021-06-02 19:40:16)
                             'size'  2547765