======================== unified (from filesystem) ========================
                                         'bitrate'  '105.12'
                                        'duration'  '265'
                                          'artist'  'Jeroen Tel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Myth'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['video game music', 'c64', 'chiptune', 'game music', 'demoscene']"
                                     'discogstags'  "['soundtrack', 'electronic', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '100.058'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:ª\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xaa\x19\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TIT2' (Title/songname/content description)         'Myth'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jeroen Tel'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'stage & screen']
'TXXX:lastfmtags'                                   ['video game music', 'c64', 'chiptune', 'game music', 'demoscene']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.512834'

========================== row from database ==========================
                                              'id'  791011
                                            'path'  /data/Music/Bulk/0soundtrack/Commodore64/Jeroen_Tel_-_Myth.mp3
                                         'working'  None
                                         'bitrate'  105
                                    'duration_sec'  265
                                           'genre'  soundtrack-game
                                        'filesize'  3489490
                                           'mtime'  1621489490
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Commodore64 Jeroen_Tel_ _Myth soundtrack game
                                      'tag_artist'  Jeroen Tel
                                     'tag_release'  None
                                       'tag_title'  Myth
                                             'bpm'  100.058
                                    'search_title'  'myth':1
                                   'search_artist'  'jeroen':1 'tel':2
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'commodore64':2 'game':7 'jeroen':3 'myth':5 'soundtrack':6 'tel':4
                                    'search_combo'  '0soundtrack':4 'commodore64':5 'game':10 'jeroen':2B,6 'myth':1A,8 'soundtrack':9 'tel':3B,7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'c64', 'chiptune', 'game music', 'demoscene']
                                        'tag_date'  
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1621489490.2725413  (2021-05-20 07:44:50)
                             'size'  3489490