======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Maceo Merriweather'
                                     'text_people'  ''
                                         'release'  'Maceo Merriweather'
                                           'title'  'Kid man blues'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-2', 'q-vocals-4', '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'  '16'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '121.1'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '0A0EAC12+281868+18+150+12943+27316+39117+52344+65852+80212+93516+110355+122862+140490+153172+168622+181257+192591+223640+236069+250296'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '16'
'TALB' (Album/Movie/Show title)                     'Maceo Merriweather'
'TBPM' (BPM (beats per minute))                     '121.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Kid man blues'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Maceo Merriweather'
'TPE2' (Band/orchestra/accompaniment)               'Maceo Merriweather'
'TRCK' (Track number/Position in set)               '16'
'TXXX:MusicMagic Data'                              'AQEBWcjAhzqb/Z12gioLaknHgAGE0Yc7ABuuVhr8gAHSZLM0l4wUJrV2gAHH6Zqlg3ykk9KItw32eYABgAG3ZAit/5yxobjwgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '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'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.504773'

========================== row from database ==========================
                                              'id'  1495420
                                            'path'  /data/Music/Other/Pa/Blues/Maceo Merriweather/16 Kid man blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-jb-blues
                                        'filesize'  3324347
                                           'mtime'  1621094224
                                   'redo_metaread'  0
                                        'rest_str'   Pa Blues 16 prerock jb
                                      'tag_artist'  Maceo Merriweather
                                     'tag_release'  Maceo Merriweather
                                       'tag_title'  Kid man blues
                                             'bpm'  121.1
                                    'search_title'  'blues':3 'kid':1 'man':2
                                   'search_artist'  'maceo':1 'merriweather':2
                                  'search_release'  'maceo':1 'merriweather':2
                                     'search_rest'  'blues':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'blues':3A,9 'jb':11 'kid':1A 'maceo':4B,6C 'man':2A 'merriweather':5B,7C 'pa':8 'prerock':10
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094224.2612019  (2021-05-15 17:57:04)
                             'size'  3324347