======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '206'
                                          'artist'  'Shiny Toy Guns'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Rocketship'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '140.1'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.1'
'TIT2' (Title/songname/content description)         'Rocketship'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '206387'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiny Toy Guns'
'TXXX:MusicMagic Data'                              'AgEAUHuzrUuh8g9EirQr+lXvgAGCkYgi5jOZDFYXlonwcoABiNXmBKiFyfyrg6eHg86AAe1VwvP/s9vHgAHJZO/m8C+sF828uPOAAaxepY3YC4WQAfdD3JSUhLKCx9Wmk31RUKVk66eTBoat0wquB8efubqqpoRzgnLsCKtxH+niGYABzUbtFQZ5odDUCJiVgS8='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'

========================== row from database ==========================
                                              'id'  1538149
                                            'path'  /data/Music/Other/PrevSet/[2electro1-softer]/Shiny Toy Guns/Rocketship.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  206
                                           'genre'  
                                        'filesize'  4130123
                                           'mtime'  1662800348
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [2electro1 softer]
                                      'tag_artist'  Shiny Toy Guns
                                     'tag_release'  None
                                       'tag_title'  Rocketship
                                             'bpm'  140.1
                                    'search_title'  'rocketship':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 'rocketship':1A 'set':11 'shiny':2B 'softer':8,9 'toy':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800348.3833673  (2022-09-10 10:59:08)
                             'size'  4130123