======================== unified (from filesystem) ========================
                                         'bitrate'  '192.004'
                                        'duration'  '258'
                                          'artist'  'The Corrs'
                                     'text_people'  ''
                                         'release'  'Forgiven, Not Forgotten'
                                           'title'  'Heaven Knows'
                                           'quals'  "['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '102.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'ogg had 192 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Forgiven, Not Forgotten'
'TBPM' (BPM (beats per minute))                     '102.0'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Heaven Knows'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Corrs'
'TRCK' (Track number/Position in set)               '3'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'

========================== row from database ==========================
                                              'id'  1538604
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Corrs/[03] Forgiven, Not Forgotten - Heaven Knows.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  258
                                           'genre'  
                                        'filesize'  6209848
                                           'mtime'  1662800154
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] [03]
                                      'tag_artist'  The Corrs
                                     'tag_release'  Forgiven, Not Forgotten
                                       'tag_title'  Heaven Knows
                                             'bpm'  102.0
                                    'search_title'  'heaven':1 'knows':2
                                   'search_artist'  'corrs':2 'the':1
                                  'search_release'  'forgiven':1,2 'forgotten':4 'not':3
                                     'search_rest'  '03':4,5 '0yay1':2,3 'prev':6 'prevset':1 'set':7
                                    'search_combo'  '03':12,13 '0yay1':10,11 'corrs':4B 'forgiven':5C,6C 'forgotten':8C 'heaven':1A 'knows':2A 'not':7C 'prev':14 'prevset':9 'set':15 'the':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['q-bass-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800153.5816572  (2022-09-10 10:55:53)
                             'size'  6209848