======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '258'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lilac wine'
                                           'quals'  ("['Q-HAP-2', 'Q-BUSY-2', 'Q-GRIT-2', 'q-bass-1', 'q-drums-1', 'q-other-1', "
 "'q-piano-3', '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'  '121.1'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '121.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Lilac wine'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TXXX:MusicMagic Data'                              'AgEBXomQgoCp2gi+iDqnv0EywqODfoeu6qSeFgmvgPXQJYABoF/wLKyogAHBhYXHhQWkk62C8R2yvoABgKO2e/6Z5vy9EJq4gAKAAYxtoI3IfIR2+JozB5UpgrmEK+pwnXEjHYJJz6iPypc99mat/Y/lxseK04eok0G4CsEs0WexVYApv3T9zes3qAWmV4HGgAE='
'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'                                      '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.45 dB'
'TXXX:replaygain_track_peak'                        '0.631782'

========================== row from database ==========================
                                              'id'  1495192
                                            'path'  /data/Music/Other/Pa/All/Nina Simone/Lilac wine.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  258
                                           'genre'  funk or soul
                                        'filesize'  5169998
                                           'mtime'  1622658842
                                   'redo_metaread'  0
                                        'rest_str'   Pa All funk or soul
                                      'tag_artist'  Nina Simone
                                     'tag_release'  None
                                       'tag_title'  Lilac wine
                                             'bpm'  121.1
                                    'search_title'  'lilac':1 'wine':2
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  
                                     'search_rest'  'all':2 'funk':3 'or':4 'pa':1 'soul':5
                                    'search_combo'  'all':6 'funk':7 'lilac':1A 'nina':3B 'or':8 'pa':5 'simone':4B 'soul':9 'wine':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-3', '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'  1622658842.086765  (2021-06-02 20:34:02)
                             'size'  5169998