======================== unified (from filesystem) ========================
                                         'bitrate'  '128.004'
                                        'duration'  '241'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'Unplugged'
                                           'title'  'Somewhere Over the Rainbow'
                                           'quals'  "['q-bass-1', 'q-drums-1', 'q-other-2', 'q-piano-3', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '145.2'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'ogg had 128 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Unplugged'
'TBPM' (BPM (beats per minute))                     '145.2'
'TIT2' (Title/songname/content description)         'Somewhere Over the Rainbow'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '6'
'TXXX:MusicBrainz Album Id'                         '31288625-96a0-428f-baac-c9ebf6cd1178'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'c0b2500e-0cef-4130-869d-732b23ed9df5'
'TXXX:MusicBrainz TRM Id'                           'c39ba1a3-2115-4ead-8a8f-f60749c260f5'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'76c63d5d-2aa5-4f0d-bab5-a026e3909ae6')

========================== row from database ==========================
                                              'id'  1538142
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Tori Amos/Somewhere Over the Rainbow.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  
                                        'filesize'  3861380
                                           'mtime'  1662800333
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1]
                                      'tag_artist'  Tori Amos
                                     'tag_release'  Unplugged
                                       'tag_title'  Somewhere Over the Rainbow
                                             'bpm'  145.2
                                    'search_title'  'over':2 'rainbow':4 'somewhere':1 'the':3
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'unplugged':1
                                     'search_rest'  '0yay1':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '0yay1':9,10 'amos':6B 'over':2A 'prev':11 'prevset':8 'rainbow':4A 'set':12 'somewhere':1A 'the':3A 'tori':5B 'unplugged':7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['q-bass-1', 'q-drums-1', 'q-other-2', 'q-piano-3', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800332.8518686  (2022-09-10 10:58:52)
                             'size'  3861380