======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '210'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  "['Q-CHART-2', 'q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '125.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.1'
'TKEY' (Initial key)                                '8A'
'TXXX:Q-CHART'                                      '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'

========================== row from database ==========================
                                              'id'  1540336
                                            'path'  /data/Music/Bulk/Unsorted/W/Waswawa - Unsere eigene Geschwindigkeit.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  210
                                           'genre'  
                                        'filesize'  5905192
                                           'mtime'  1695401265
                                   'redo_metaread'  0
                                        'rest_str'   Unsorted W Waswawa Unsere eigene Geschwindigkeit
                                      'tag_artist'  None
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  125.1
                                    'search_title'  None
                                   'search_artist'  None
                                  'search_release'  
                                     'search_rest'  'eigene':5 'geschwindigkeit':6 'unsere':4 'unsorted':1 'w':2 'waswawa':3
                                    'search_combo'  'eigene':5 'geschwindigkeit':6 'unsere':4 'unsorted':1 'w':2 'waswawa':3
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-CHART-2', 'q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695401264.58919  (2023-09-22 18:47:44)
                             'size'  5905192