======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '212'
                                          'artist'  'Jelly Roll Morton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Smoke house 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'  '90.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '90.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Smoke house blues'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jelly Roll Morton'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYto9gouo5dDVhnlsePcwgAGAgoACFFWq+NPCgAHU+qSTgvMkur/ggAHpjoCWi6iAAaqyDjO4iIABgAG/1CLmzkW79JO1gAKAAYVso1SsgYLpHsorXoZugXiA0BCZqVMLloIh2tSJwoNHGaLAeolK4OeTqIQvhBLEnur95dyNr4KcsYkZ3Os1rTumpYBIgAE='
'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'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.526819'

========================== row from database ==========================
                                              'id'  1495203
                                            'path'  /data/Music/Other/Pa/Jazz/Jelly Roll Morton/Smoke house blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  212
                                           'genre'  prerock-jb-jazz
                                        'filesize'  4247168
                                           'mtime'  1678988613
                                   'redo_metaread'  0
                                        'rest_str'   Pa Jazz prerock jb jazz
                                      'tag_artist'  Jelly Roll Morton
                                     'tag_release'  None
                                       'tag_title'  Smoke house blues
                                             'bpm'  90.8
                                    'search_title'  'blues':3 'house':2 'smoke':1
                                   'search_artist'  'jelly':1 'morton':3 'roll':2
                                  'search_release'  
                                     'search_rest'  'jazz':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'blues':3A 'house':2A 'jazz':8 'jb':10 'jelly':4B 'morton':6B 'pa':7 'prerock':9 'roll':5B 'smoke':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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'  1678988613.4234095  (2023-03-16 18:43:33)
                             'size'  4247168