======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '315'
                                          'artist'  'Touch & Go'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Extasy feat P. Ondria What a Wonderful World'
                                           'quals'  "['q-bass-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '134.9'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '134.9'
'TIT2' (Title/songname/content description)         'Extasy feat P. Ondria What a Wonderful World'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '315742'
'TPE1' (Lead performer(s)/Soloist(s))               'Touch & Go'
'TRCK' (Track number/Position in set)               '16'
'TXXX:MusicMagic Data'                              'AgEAKq44iYaTTa+TgZQkelHD8WyBuY2NwBuY7FMW0BwCu4ABkam21LKs1LYAmuxmhajJJepQix3bJi45gAHTtfZkLk2lkcteHWWAAZY5nhGzCYMtBRM+SsBmguyFaNiVl0tJLKr25IaT5YcJ2wS1iL5p3+uoAYShh0LbiaMm86/fwoS30nv1WgEAqYDEFZ/4gW0='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'

========================== row from database ==========================
                                              'id'  1538533
                                            'path'  /data/Music/Other/PrevSet/[8ohdear]/Touch & Go - Wonderful World.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  315
                                           'genre'  
                                        'filesize'  5054255
                                           'mtime'  1662800492
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [8ohdear]
                                      'tag_artist'  Touch & Go
                                     'tag_release'  None
                                       'tag_title'  Extasy feat P. Ondria What a Wonderful World
                                             'bpm'  134.9
                                    'search_title'  'a':7 'extasy':1 'feat':2 'ondria':5 'p':3,4 'what':6 'wonderful':8 'world':9
                                   'search_artist'  'go':2 'touch':1
                                  'search_release'  
                                     'search_rest'  '8ohdear':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '8ohdear':13,14 'a':7A 'extasy':1A 'feat':2A 'go':11B 'ondria':5A 'p':3A,4A 'prev':15 'prevset':12 'set':16 'touch':10B 'what':6A 'wonderful':8A 'world':9A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['q-bass-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800492.0987284  (2022-09-10 11:01:32)
                             'size'  5054255