======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '367'
                                          'artist'  'Bizet'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Parelvissers'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '121.7'
                                             'key'  'B m'  (10A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Parelvissers'
'TKEY' (Initial key)                                'B m'
'TPE1' (Lead performer(s)/Soloist(s))               'Bizet'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYgnbgzvHBMJqgu/jljHSgAGCQoc7/PWmXgzygEXNHYABo1HnXK+jgCXEb4ABip2AAcGaClzy4ZLbgAGzMPy27PuAAaUEgAKAAYq/tIHTwIcfGHoiGJsLgU2A+Ao3nfb7b4Ah1q+FfoRrBn+vCoBoz0yBMIpIgAGpRAJatn2TpYABqVQX19eUsFWWrYACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'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'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.622550'

========================== row from database ==========================
                                              'id'  1495285
                                            'path'  /data/Music/Other/Pa/Klassiek/Bizet/Parelvissers.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  367
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  7349059
                                           'mtime'  1621094164
                                   'redo_metaread'  0
                                        'rest_str'   Klassiek prerock classical or classical instruments
                                      'tag_artist'  Bizet
                                     'tag_release'  None
                                       'tag_title'  Parelvissers
                                             'bpm'  121.7
                                    'search_title'  'parelvissers':1
                                   'search_artist'  'bizet':1
                                  'search_release'  
                                     'search_rest'  'classical':3 'instruments':5 'klassiek':1 'or':4 'prerock':2
                                    'search_combo'  'bizet':2B 'classical':5 'instruments':7 'klassiek':3 'or':6 'parelvissers':1A 'prerock':4
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  B m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094163.899003  (2021-05-15 17:56:03)
                             'size'  7349059