======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '162'
                                          'artist'  'Shiny Toy Guns'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ritz'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '100.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.1'
'TIT2' (Title/songname/content description)         'Ritz'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '162475'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiny Toy Guns'
'TXXX:MusicMagic Data'                              'AgEAUHuemVeKG8+lhhg6+VoBiHuD5oOevA2N82OKrL3eQYABgAG9v7cO18+eSc8VgfqAAeSrhVBDg/ABgAHVeOIGCXGed9msgAKAAaxepY3YC4WQAfdD3JSUhLKCx9Wmk31RUKVk66eTBoat0wquB8efubqqpoRzgnLsCKtxH+niGYABzUbtFQZ5odDUCJiVgS8='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'

========================== row from database ==========================
                                              'id'  1538231
                                            'path'  /data/Music/Other/PrevSet/[2electro1-softer]/Shiny Toy Guns/Ritz.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  162
                                           'genre'  
                                        'filesize'  3251886
                                           'mtime'  1662800343
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [2electro1 softer]
                                      'tag_artist'  Shiny Toy Guns
                                     'tag_release'  None
                                       'tag_title'  Ritz
                                             'bpm'  100.1
                                    'search_title'  'ritz':1
                                   'search_artist'  'guns':3 'shiny':1 'toy':2
                                  'search_release'  
                                     'search_rest'  '2electro1':2,3 'prev':6 'prevset':1 'set':7 'softer':4,5
                                    'search_combo'  '2electro1':6,7 'guns':4B 'prev':10 'prevset':5 'ritz':1A 'set':11 'shiny':2B 'softer':8,9 'toy':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800343.3795288  (2022-09-10 10:59:03)
                             'size'  3251886