======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '203'
                                          'artist'  'Jelly Roll Morton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dead man blues'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz'
                                             'bpm'  '128.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Dead man blues'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jelly Roll Morton'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBXWrshoen0r7OgAEELFKTihiCP4K3IEGt3g3BgAHmTYABjrgu38V9gAHTsKaZg9uAAezhIdXv+oABgwXHXCZS+3jgdL9XgAKAAYZqpBWqJoKkMEczKodFgcCA0BiNrHAiioHn2ouAAYJMItm6d4WW4ASTK4RPgAHHiNwA5VKhFYBstFAd2uleuP2oboACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.384738'

========================== row from database ==========================
                                              'id'  1495390
                                            'path'  /data/Music/Other/Pa/Jazz/Jelly Roll Morton/Dead man blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  203
                                           'genre'  prerock-jb-jazz
                                        'filesize'  4081775
                                           'mtime'  1678988596
                                   'redo_metaread'  0
                                        'rest_str'   Pa Jazz prerock jb jazz
                                      'tag_artist'  Jelly Roll Morton
                                     'tag_release'  None
                                       'tag_title'  Dead man blues
                                             'bpm'  128.3
                                    'search_title'  'blues':3 'dead':1 'man':2
                                   'search_artist'  'jelly':1 'morton':3 'roll':2
                                  'search_release'  
                                     'search_rest'  'jazz':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'blues':3A 'dead':1A 'jazz':8 'jb':10 'jelly':4B 'man':2A 'morton':6B 'pa':7 'prerock':9 'roll':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678988595.7276497  (2023-03-16 18:43:15)
                             'size'  4081775