======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '200'
                                          'artist'  'Marilyn Manson'
                                     'text_people'  ''
                                         'release'  'Not Another Teen Movie'
                                           'title'  'Tainted Love'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '142.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Not Another Teen Movie'
'TBPM' (BPM (beats per minute))                     '142.0'
'TIT2' (Title/songname/content description)         'Tainted Love'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marilyn Manson'
'TPE2' (Band/orchestra/accompaniment)               'Marilyn Manson'
'TRCK' (Track number/Position in set)               '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.433711'

========================== row from database ==========================
                                              'id'  1538106
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/Marilyn Manson - Tainted Love.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  200
                                           'genre'  
                                        'filesize'  6431387
                                           'mtime'  1662800282
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted
                                      'tag_artist'  Marilyn Manson
                                     'tag_release'  Not Another Teen Movie
                                       'tag_title'  Tainted Love
                                             'bpm'  142.0
                                    'search_title'  'love':2 'tainted':1
                                   'search_artist'  'manson':2 'marilyn':1
                                  'search_release'  'another':2 'movie':4 'not':1 'teen':3
                                     'search_rest'  '0yay1':2,3 'prev':5 'prevset':1 'set':6 'unsorted':8 'z':7 'zunsorted':4
                                    'search_combo'  '0yay1':10,11 'another':6C 'love':2A 'manson':4B 'marilyn':3B 'movie':8C 'not':5C 'prev':13 'prevset':9 'set':14 'tainted':1A 'teen':7C 'unsorted':16 'z':15 'zunsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800281.9735107  (2022-09-10 10:58:01)
                             'size'  6431387