======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '158'
                                          'artist'  'Grandpa Jones'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Grandpa Boogie'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', "
 "'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-country'
                                             'bpm'  '119.8'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '00000F09 000011EB 00002DD9 0'
'COMM:iTunNORM:eng'                                 ('00000F09 000011EB 00002DD9 000031AF 0000C395 000138C5 00005C8F 00005E1A '
 '000138AE 00013897')
'TBPM' (BPM (beats per minute))                     '119.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TIT2' (Title/songname/content description)         'Grandpa Boogie'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Grandpa Jones'
'TXXX:MusicMagic Data'                              'AgEABjktjiCsBZ+agncMnYABgAGFZoVsHeOzsxqliEjuC6STjrgePa/HgAG88LsdgAGAAfQ22oEp7oABgAG6IhPx+kDCK8R2gAKAAYSWpBuZ6IHU/EIotodIhPOFjBFLpoU1roPS28iMr4ijHJ2yi4wgv+eP6oHQgAHZhdzECbSfJYCqvJENnue3oH26fYUEgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '0000b63d0000a2078c16fdfc4bf7ccb09fd3b9f0f521f2fcf8cb0378f02f0ffdf3a702b12f8ba3cfe373fee083c3f2bdffa7c73480fb8fecdf1307ef5f2b0fecb603dfc7c7179effbccfe7efbc8b5730ffd3a37cf3cffb7bdf1bf8277d771fc2ff0b2d22e33b3f9dff23ee385c232f1ff34b3343cdf3b7dcffcf34c8fc0f0febfea30ff0ffc3af7f0f1787fcccc706ef3093f72370abf21fcddff41fe3c742aafccf3c1392c703ccf78bfd3bf3ffd3d1cb474bf4f093ffabffdbb6ffdb439ff7c13b3f7efe6f28bcf7ff373cf1f30fb67cffb3fe2b77febfdfffb7cc4fe34ff776dfefccfdff8f3fe2df7bfec6ef0ecbd47f8863ffe5e1e0e7833fcd4febef7fffff8fffffdf416cccf32a16f9ff0fbbffc750c3e2ff34bfffaf9dffe5e7bbbdff630f40e1d3beff8d4773ff7f6fafd8ae3fbdfdb5f377ccffb37ff97d7f38b1ff333fff133f43bf7783227bfdbbd773dcfff3f5ef17f2b3c5b78f946f9f2fc6ef8f17fcbc03c31f30f39d39eb9e7aeb9efcffbe7aebae79e39ebbef9efce7cebaebaefaf39ebbe79ff9e7beb9ebaef9e71efcf7cf39f7be79e7eef8e79ef9efbf3cd7aeb7ebbe80'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.391341'

========================== row from database ==========================
                                              'id'  1495162
                                            'path'  /data/Music/Other/Pa/Country/Grampa Jones - I'm my own Grandpa.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  158
                                           'genre'  prerock-country
                                        'filesize'  2536645
                                           'mtime'  1678985105
                                   'redo_metaread'  0
                                        'rest_str'   Pa Country Grampa I'm my own prerock country
                                      'tag_artist'  Grandpa Jones
                                     'tag_release'  None
                                       'tag_title'  Grandpa Boogie
                                             'bpm'  119.8
                                    'search_title'  'boogie':2 'grandpa':1
                                   'search_artist'  'grandpa':1 'jones':2
                                  'search_release'  
                                     'search_rest'  'country':2 'grampa':3 'i':4 'im':6 'm':5 'my':7 'own':8 'pa':1 'prerock':9
                                    'search_combo'  'boogie':2A 'country':6 'grampa':7 'grandpa':1A,3B 'i':8 'im':10 'jones':4B 'm':9 'my':11 'own':12 'pa':5 'prerock':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678985105.2865665  (2023-03-16 17:45:05)
                             'size'  2536645