======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '231'
                                          'artist'  'Robert  Long'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Alles waar je echt van houdt'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-1', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', "
 "'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '141.1'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            'F30ED711+285125+17+183+8025+25013+37370+55578+68380+86398+104663+119080+136408+155753+171395+191660+206765+227023+246780+260135'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '9'
'TBPM' (BPM (beats per minute))                     '141.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Alles waar je echt van houdt'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert  Long'
'TRCK' (Track number/Position in set)               '09'
'TXXX:MusicMagic Data'                              'AgEAFS+rmX6xiem2h13a7VDqhnmBtoMrDBGcJjNCgAHeYoABheQKrbBEgDq+6ogzgy2AAcmE4xACAZR7gAG0vwPuAQafiLGxgAKAAZA3nQLHtoTLNWA8m4PEgTSDqvQpnIcjooFb3gOj2IPVAXe1KYOe4ImOAIhFh1K47rgLzuOXIYABtJT/COzzp5qkiYACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.660066'

========================== row from database ==========================
                                              'id'  1495221
                                            'path'  /data/Music/Other/Pa/Nederlands/Robert  Long/09 Alles waar je echt van houdt.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  231
                                           'genre'  loc-eur-netherlands
                                        'filesize'  4630970
                                           'mtime'  1621637495
                                   'redo_metaread'  0
                                        'rest_str'   Pa Nederlands 09 loc eur netherlands
                                      'tag_artist'  Robert  Long
                                     'tag_release'  None
                                       'tag_title'  Alles waar je echt van houdt
                                             'bpm'  141.1
                                    'search_title'  'alles':1 'echt':4 'houdt':6 'je':3 'van':5 'waar':2
                                   'search_artist'  'long':2 'robert':1
                                  'search_release'  
                                     'search_rest'  'eur':4 'loc':3 'nederlands':2 'netherlands':5 'pa':1
                                    'search_combo'  'alles':1A 'echt':4A 'eur':12 'houdt':6A 'je':3A 'loc':11 'long':8B 'nederlands':10 'netherlands':13 'pa':9 'robert':7B 'van':5A 'waar':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621637494.8901074  (2021-05-22 00:51:34)
                             'size'  4630970