======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '211'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Strange fruit'
                                           'quals'  ("['Q-HAP-2', 'Q-BUSY-2', 'Q-GRIT-2', 'q-bass-1', 'q-drums-1', 'q-other-1', "
 "'q-piano-2', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-3', 'Q-CHART-4', "
 "'Q-JZFKS-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '133.9'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '133.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Strange fruit'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TXXX:MusicMagic Data'                              'AgEBYuX6gpiz48vfhDDlm/O6gAGAXoMr4lGpHsV9gAHJ5IABiNXh069bgAHOT4ZfkPqAAZe+sRiKPYABgAGu4wA2AAi/a48ogAKAAYhdoQ7LdYSk/MQxy5TagkGDq+tmn1IRnYDJ0cKMtpP8+IGve4hdzAiIlollj2ewvMHUxCWmJoAauyL+I+8vqSGf7YGhgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'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'                                      '1'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.613487'

========================== row from database ==========================
                                              'id'  1495446
                                            'path'  /data/Music/Other/Pa/All/Nina Simone/Strange fruit.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  211
                                           'genre'  funk or soul
                                        'filesize'  4236211
                                           'mtime'  1622658843
                                   'redo_metaread'  0
                                        'rest_str'   Pa All funk or soul
                                      'tag_artist'  Nina Simone
                                     'tag_release'  None
                                       'tag_title'  Strange fruit
                                             'bpm'  133.9
                                    'search_title'  'fruit':2 'strange':1
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  
                                     'search_rest'  'all':2 'funk':3 'or':4 'pa':1 'soul':5
                                    'search_combo'  'all':6 'fruit':2A 'funk':7 'nina':3B 'or':8 'pa':5 'simone':4B 'soul':9 'strange':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-4', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658842.7867422  (2021-06-02 20:34:02)
                             'size'  4236211