======================== unified (from filesystem) ========================
                                         'bitrate'  '160.004'
                                        'duration'  '239'
                                          'artist'  'Alanis Morissette'
                                     'text_people'  ''
                                         'release'  'Jagged Little Pill'
                                           'title'  'You Learn'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '84.2'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'ogg had 160 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Jagged Little Pill'
'TBPM' (BPM (beats per minute))                     '84.2'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'You Learn'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alanis Morissette'
'TRCK' (Track number/Position in set)               '7'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'

========================== row from database ==========================
                                              'id'  1538717
                                            'path'  /data/Music/Other/PrevSet/[9zdesorted]/Alanis Moressette/Jagged Little Pill-07-You Learn.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  239
                                           'genre'  
                                        'filesize'  4798557
                                           'mtime'  1662800573
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9zdesorted] Moressette 07
                                      'tag_artist'  Alanis Morissette
                                     'tag_release'  Jagged Little Pill
                                       'tag_title'  You Learn
                                             'bpm'  84.2
                                    'search_title'  'learn':2 'you':1
                                   'search_artist'  'alanis':1 'morissette':2
                                  'search_release'  'jagged':1 'little':2 'pill':3
                                     'search_rest'  '9zdesorted':2,3 'moressette':4 'prev':5 'prevset':1 'set':6
                                    'search_combo'  '9zdesorted':9,10 'alanis':3B 'jagged':5C 'learn':2A 'little':6C 'moressette':11 'morissette':4B 'pill':7C 'prev':12 'prevset':8 'set':13 'you':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800572.6921268  (2022-09-10 11:02:52)
                             'size'  4798557