======================== unified (from filesystem) ========================
                                         'bitrate'  '128.003'
                                        'duration'  '346'
                                          'artist'  'Basement Jaxx'
                                     'text_people'  ''
                                         'release'  'Remedy'
                                           'title'  'Rendez-Vu'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'Rock'
                                             'bpm'  '125.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'ogg had 128 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Remedy'
'TBPM' (BPM (beats per minute))                     '125.3'
'TCON' (Content type, a.k.a. Genre)                 'Rock'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Rendez-Vu'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Basement Jaxx'
'TRCK' (Track number/Position in set)               '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'

========================== row from database ==========================
                                              'id'  1538357
                                            'path'  /data/Music/Other/PrevSet/[9zdesorted]/Basement Jaxx/Rendez-Vu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  346
                                           'genre'  Rock
                                        'filesize'  5553411
                                           'mtime'  1662800609
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9zdesorted] Rock
                                      'tag_artist'  Basement Jaxx
                                     'tag_release'  Remedy
                                       'tag_title'  Rendez-Vu
                                             'bpm'  125.3
                                    'search_title'  'rendez':1 'rendezvu':3 'vu':2
                                   'search_artist'  'basement':1 'jaxx':2
                                  'search_release'  'remedy':1
                                     'search_rest'  '9zdesorted':2,3 'prev':5 'prevset':1 'rock':4 'set':6
                                    'search_combo'  '9zdesorted':8,9 'basement':4B 'jaxx':5B 'prev':11 'prevset':7 'remedy':6C 'rendez':1A 'rendezvu':3A 'rock':10 'set':12 'vu':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800608.5309699  (2022-09-10 11:03:28)
                             'size'  5553411