======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '565'
                                          'artist'  'Wacker & Zittrich'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Rough Collie (Anthony Collins Mix)'
                                           'quals'  "['Q-CHART-2', 'q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '127.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '127.0'
'TIT2' (Title/songname/content description)         'Rough Collie (Anthony Collins Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wacker & Zittrich'
'TXXX:Q-CHART'                                      '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'

========================== row from database ==========================
                                              'id'  1540683
                                            'path'  /data/Music/Bulk/Unsorted/W/Wacker & Zittrich - Rough Collie (Anthony Collins Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  565
                                           'genre'  
                                        'filesize'  22636668
                                           'mtime'  1695401252
                                   'redo_metaread'  0
                                        'rest_str'   Unsorted
                                      'tag_artist'  Wacker & Zittrich
                                     'tag_release'  None
                                       'tag_title'  Rough Collie (Anthony Collins Mix)
                                             'bpm'  127.0
                                    'search_title'  'anthony':3,4 'collie':2 'collins':5 'mix':6,7 'rough':1
                                   'search_artist'  'wacker':1 'zittrich':2
                                  'search_release'  
                                     'search_rest'  'unsorted':1
                                    'search_combo'  'anthony':3A,4A 'collie':2A 'collins':5A 'mix':6A,7A 'rough':1A 'unsorted':10 'wacker':8B 'zittrich':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-CHART-2', 'q-bass-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695401251.5696924  (2023-09-22 18:47:31)
                             'size'  22636668