======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '120'
                                          'artist'  'Boudewijn De Groot'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Elegie  prenatale'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '127.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '127.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Elegie  prenatale'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boudewijn De Groot'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBXXftgfmNR8DkiJNZ4O+KgAGGUoK33gqarisCiq+s44ABgAHyMqzKgAHra4BaiBeAAa7ZjdHbz4ABgAHacOKH8OSk26V2gAKAAZaGno7E44Tu6mIvco4DhBqDSfU0mlA2fIrh5NSRcINr/96vTpnrxq+WbIPGgFnMzb4j71Cyx4BtuUn9Vu5ipDy0GoiVgJA='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.479560'

========================== row from database ==========================
                                              'id'  1495510
                                            'path'  /data/Music/Other/Pa/Nederlands/Boudewijn de Groot/Elegie prenatale.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  120
                                           'genre'  loc-eur-netherlands
                                        'filesize'  2426135
                                           'mtime'  1621630396
                                   'redo_metaread'  0
                                        'rest_str'   Pa Nederlands loc eur netherlands
                                      'tag_artist'  Boudewijn De Groot
                                     'tag_release'  None
                                       'tag_title'  Elegie  prenatale
                                             'bpm'  127.9
                                    'search_title'  'elegie':1 'prenatale':2
                                   'search_artist'  'boudewijn':1 'de':2 'groot':3
                                  'search_release'  
                                     'search_rest'  'eur':4 'loc':3 'nederlands':2 'netherlands':5 'pa':1
                                    'search_combo'  'boudewijn':3B 'de':4B 'elegie':1A 'eur':9 'groot':5B 'loc':8 'nederlands':7 'netherlands':10 'pa':6 'prenatale':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630395.939068  (2021-05-21 22:53:15)
                             'size'  2426135