======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Zinovii Shulman, S. Kaletskii'
                                     'text_people'  'øשlqæda'
                                         'release'  'Herança Cósmica c90'
                                           'title'  'Pastekh Shpil A Volekh'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1939'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '135.274'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Herança Cósmica c90'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCOM' (Composer)                                   'øשlqæda'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1939'
'TIT2' (Title/songname/content description)         'Pastekh Shpil A Volekh'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zinovii Shulman, S. Kaletskii'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'सølγ שаябlɛş TRILL 6.66'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:TRILLA'                                       'http://holywarbles.blogspot.com'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.67 dB'
'TXXX:replaygain_track_peak'                        '0.597609'

========================== row from database ==========================
                                              'id'  770473
                                            'path'  /data/Music/Bulk/00localcharacter/Herança Cósmica c90/18 Zinovii Shulman, S. Kaletskii - Pastekh Shpil A Volekh.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  loc-unsorted
                                        'filesize'  7212797
                                           'mtime'  1620401035
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 18 loc unsorted
                                      'tag_artist'  Zinovii Shulman, S. Kaletskii
                                     'tag_release'  Herança Cósmica c90
                                       'tag_title'  Pastekh Shpil A Volekh
                                             'bpm'  135.274
                                    'search_title'  'a':3 'pastekh':1 'shpil':2 'volekh':4
                                   'search_artist'  'kaletskii':6 's':4,5 'shulman':2,3 'zinovii':1
                                  'search_release'  'c90':5 'cosmica':3,4 'heranca':1,2
                                     'search_rest'  '18':1 'loc':2 'unsorted':3
                                    'search_combo'  '18':16 'a':3A 'c90':15C 'cosmica':13C,14C 'heranca':11C,12C 'kaletskii':10B 'loc':17 'pastekh':1A 's':8B,9B 'shpil':2A 'shulman':6B,7B 'unsorted':18 'volekh':4A 'zinovii':5B
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1939
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401034.632947  (2021-05-07 17:23:54)
                             'size'  7212797