======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '112'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wesley Willis - DJ Shadow Mix'
                                           'quals'  "['Q-CHART-2', 'q-bass-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '109.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '109.7'
'TIT2' (Title/songname/content description)         'Wesley Willis - DJ Shadow Mix'
'TKEY' (Initial key)                                '6A'
'TXXX:Q-CHART'                                      '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'

========================== row from database ==========================
                                              'id'  1540618
                                            'path'  /data/Music/Bulk/Unsorted/W/Wesley Willis - DJ Shadow Mix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  112
                                           'genre'  
                                        'filesize'  2693491
                                           'mtime'  1695484414
                                   'redo_metaread'  0
                                        'rest_str'   Unsorted
                                      'tag_artist'  None
                                     'tag_release'  None
                                       'tag_title'  Wesley Willis - DJ Shadow Mix
                                             'bpm'  109.7
                                    'search_title'  'dj':3 'mix':5 'shadow':4 'wesley':1 'willis':2
                                   'search_artist'  None
                                  'search_release'  
                                     'search_rest'  'unsorted':1
                                    'search_combo'  'dj':3A 'mix':5A 'shadow':4A 'unsorted':6 'wesley':1A 'willis':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-CHART-2', 'q-bass-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695484413.9308531  (2023-09-23 17:53:33)
                             'size'  2693491