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

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'TKEY' (Initial key)                                '10A'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'

========================== row from database ==========================
                                              'id'  1538541
                                            'path'  /data/Music/Other/PrevSet/[9amusing]/Corrs/[07] The Corrs - Forgiven, Not Forgotten - The Right Time.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  247
                                           'genre'  
                                        'filesize'  6239759
                                           'mtime'  1662800483
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9amusing] Corrs [07] The Corrs Forgiven, Not Forgotten The Right Time
                                      'tag_artist'  None
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  125.7
                                    'search_title'  None
                                   'search_artist'  None
                                  'search_release'  
                                     'search_rest'  '07':5,6 '9amusing':2,3 'corrs':4 'forgiven':8,9 'forgotten':11 'not':10 'prev':14 'prevset':1 'right':12 'set':15 'the':7 'time':13
                                    'search_combo'  '07':5,6 '9amusing':2,3 'corrs':4 'forgiven':8,9 'forgotten':11 'not':10 'prev':14 'prevset':1 'right':12 'set':15 'the':7 'time':13
                                    'tag_tracknum'  None
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                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3']
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                                        'tag_date'  
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============================== file details ==============================
                                           'mtime'  1662800482.8990252  (2022-09-10 11:01:22)
                             'size'  6239759