======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '129'
                                          'artist'  'John Denver'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Grandma's featherbed"
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-3', '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'  '115.3'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 ('0000067A 0000000D 0000373A 0000012F 00000B87 00018929 000054F6 0000550D '
 '000151C1 000151C1')
'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         "Grandma's featherbed"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Denver'
'TXXX:MusicMagic Data'                              'AgEBXlgxg9Kijae0hINEJib1gAGF2YMrHC6vbxdehtvcfoABheQntLBHgAH+oY3JhQCAAdLPIGzcfIABgAHHhQ27+k+4IbOHgAKAAZw3rsS3ZoOxBg5DwokNgyGDwBiKpZYmp4Q67zqZFYrwFY2tgYhXxSWaF4M8gp7l/uu09YCcZYIRuPgP4vSAvGG8yYYUgJ4='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'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/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.466113'

========================== row from database ==========================
                                              'id'  1495054
                                            'path'  /data/Music/Other/Pa/Country/John Denver/Grandma's featherbed.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  129
                                           'genre'  prerock-country
                                        'filesize'  2602743
                                           'mtime'  1621094196
                                   'redo_metaread'  0
                                        'rest_str'   Pa Country prerock country
                                      'tag_artist'  John Denver
                                     'tag_release'  None
                                       'tag_title'  Grandma's featherbed
                                             'bpm'  115.3
                                    'search_title'  'featherbed':4 'grandma':1 'grandmas':3 's':2
                                   'search_artist'  'denver':2 'john':1
                                  'search_release'  
                                     'search_rest'  'country':2 'pa':1 'prerock':3
                                    'search_combo'  'country':8 'denver':6B 'featherbed':4A 'grandma':1A 'grandmas':3A 'john':5B 'pa':7 'prerock':9 's':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094196.2039382  (2021-05-15 17:56:36)
                             'size'  2602743