======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '174'
                                          'artist'  'Egerlander Musikanten'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Zwei Herzen und ein Schlag'
                                           'quals'  ("['Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'Q-HAP-3', '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'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '102.5'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '102.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Zwei Herzen und ein Schlag'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'Egerlander Musikanten'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWo/YmVKvf7PYhEcoa0XQgAGA14MrGwilJPO7gAHm6oABgvMaRLrQgAHW9IpGhNKAAcHVG5bQjIABgAGphBdS3n2zK6KQgAKAAQ=='
'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'                                  '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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.737252'

========================== row from database ==========================
                                              'id'  1495590
                                            'path'  /data/Music/Other/Pa/Volksmuziek/Egerlander Musikanten/Zwei Herzen und ein Schlag.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  174
                                           'genre'  loc-unsorted
                                        'filesize'  3505841
                                           'mtime'  1621354408
                                   'redo_metaread'  0
                                        'rest_str'   Pa Volksmuziek loc unsorted
                                      'tag_artist'  Egerlander Musikanten
                                     'tag_release'  None
                                       'tag_title'  Zwei Herzen und ein Schlag
                                             'bpm'  102.5
                                    'search_title'  'ein':4 'herzen':2 'schlag':5 'und':3 'zwei':1
                                   'search_artist'  'egerlander':1 'musikanten':2
                                  'search_release'  
                                     'search_rest'  'loc':3 'pa':1 'unsorted':4 'volksmuziek':2
                                    'search_combo'  'egerlander':6B 'ein':4A 'herzen':2A 'loc':10 'musikanten':7B 'pa':8 'schlag':5A 'und':3A 'unsorted':11 'volksmuziek':9 'zwei':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621354408.3132236  (2021-05-18 18:13:28)
                             'size'  3505841