======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '208'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Fine and mellow'
                                           'quals'  ("['Q-HAP-2', 'Q-BUSY-2', 'Q-GRIT-2', 'q-bass-1', 'q-drums-1', 'q-other-3', "
 "'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']")
                                      'lastfmtags'  "['jazz', 'soul', 'blues', 'female vocalists', 'vocal jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '142.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Fine and mellow'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TXXX:MusicMagic Data'                              'AgEBXYa4gn2ZTMS3hKwNSy9XqDyAyoJD+Lem3gGMgAHZEIABgAENfbKSgAHYv4ryiQeAAaXdr8SiEoABgAGxcwKu2pW6vpZjgAKAAY2roD7FbIRH/OMy6JRwgriEsOlKnMgjNII2z1aPypZP9WGuSo/9xYWKxIi4lS64aL//1BixsYAsvdn8gu2rpkCmmYHGgAE='
'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:lastfmtags'                                   ['jazz', 'soul', 'blues', 'female vocalists', 'vocal jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.23 dB'
'TXXX:replaygain_track_peak'                        '0.609087'

========================== row from database ==========================
                                              'id'  1495289
                                            'path'  /data/Music/Other/Pa/All/Nina Simone/Fine and mellow.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  208
                                           'genre'  funk or soul
                                        'filesize'  4166973
                                           'mtime'  1622658842
                                   'redo_metaread'  0
                                        'rest_str'   Pa All funk or soul
                                      'tag_artist'  Nina Simone
                                     'tag_release'  None
                                       'tag_title'  Fine and mellow
                                             'bpm'  142.7
                                    'search_title'  'and':2 'fine':1 'mellow':3
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  
                                     'search_rest'  'all':2 'funk':3 'or':4 'pa':1 'soul':5
                                    'search_combo'  'all':7 'and':2A 'fine':1A 'funk':8 'mellow':3A 'nina':4B 'or':9 'pa':6 'simone':5B 'soul':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  ['jazz', 'soul', 'blues', 'female vocalists', 'vocal jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658841.6199076  (2021-06-02 20:34:01)
                             'size'  4166973