======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '292'
                                          'artist'  'Ponchielli'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Urendans  Gioconda'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-3', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', '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'  '137.9'
                                             'key'  'G m'  (6A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.9'
'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)         'Urendans  Gioconda'
'TKEY' (Initial key)                                'G m'
'TPE1' (Lead performer(s)/Soloist(s))               'Ponchielli'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEAAAAAg4W3PbXqgq47MSa2gAGBpIACBguYWBacgAHEPYABgAEBFLDWgFrOioAlk/KAAb2E/SHqp7wugAG5nhXjBAK+DKaNgAKAAZH7p/+wz4NFAdE1AKmLgv6EH/Fqm9QyAZQ35PCRQoQZ8OK0zqIb1iyd9oU2gS/VXMjW7lK6V4Niw+4AdPRlo8m45o+xgjA='
'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'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.596371'

========================== row from database ==========================
                                              'id'  1495235
                                            'path'  /data/Music/Other/Pa/Klassiek/Urendans  Gioconda.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  292
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  5865859
                                           'mtime'  1621094169
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Ponchielli
                                     'tag_release'  None
                                       'tag_title'  Urendans  Gioconda
                                             'bpm'  137.9
                                    'search_title'  'gioconda':2 'urendans':1
                                   'search_artist'  'ponchielli':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'classical':7 'gioconda':2A 'instruments':9 'klassiek':5 'or':8 'pa':4 'ponchielli':3B 'prerock':6 'urendans':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094169.4711616  (2021-05-15 17:56:09)
                             'size'  5865859