======================== unified (from filesystem) ========================
                                         'bitrate'  '160.004'
                                        'duration'  '229'
                                          'artist'  'Alanis Morissette'
                                     'text_people'  ''
                                         'release'  'Jagged Little Pill'
                                           'title'  'Ironic'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '113.7'
                                             'key'  '2B'
                                        '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))                     '113.7'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ironic'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alanis Morissette'
'TRCK' (Track number/Position in set)               '10'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'

========================== row from database ==========================
                                              'id'  1538499
                                            'path'  /data/Music/Other/PrevSet/[9zdesorted]/Alanis Moressette/Jagged Little Pill-10-Ironic.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  229
                                           'genre'  
                                        'filesize'  4601919
                                           'mtime'  1662800585
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [9zdesorted] Moressette 10
                                      'tag_artist'  Alanis Morissette
                                     'tag_release'  Jagged Little Pill
                                       'tag_title'  Ironic
                                             'bpm'  113.7
                                    'search_title'  'ironic':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':8,9 'alanis':2B 'ironic':1A 'jagged':4C 'little':5C 'moressette':10 'morissette':3B 'pill':6C 'prev':11 'prevset':7 'set':12
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800584.9717305  (2022-09-10 11:03:04)
                             'size'  4601919