======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '159'
                                          'artist'  'Bob Dylan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'House of the rising sun'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-2', 'Q-BUSY-3', 'Q-CHART-4', "
 "'Q-JZFKS-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '135.2'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '4411CE15+342031+21+150+10114+22233+38859+50908+63835+74721+102576+115640+138939+163360+195450+213643+238256+251543+255669+272585+288041+301407+318019+329936'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '20'
'TBPM' (BPM (beats per minute))                     '135.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TIT2' (Title/songname/content description)         'House of the rising sun'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TRCK' (Track number/Position in set)               '20'
'TXXX:MusicMagic Data'                              'AgEBXltUpimjda2ag6S+x1XSgAGCsYK3C7uhyUW7gd7m94ABi8cWiruCsCLjJpcDgPGkk9MekrL37M5rgAGuwwWp/aaoz7WWi/SAAZuAoOWsSYKo9Gw804KogxaUAQWCoRUpV4EB8W+ZFZLsD3au9Yq6wWCdroRskLneobCQ9XebioIbsVYEUfOBtkO6r4n4gzA='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.590582'

========================== row from database ==========================
                                              'id'  1495580
                                            'path'  /data/Music/Other/Pa/All/Bob Dylan/House of the rising sun.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  159
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  3187868
                                           'mtime'  1636135095
                                   'redo_metaread'  0
                                        'rest_str'   Pa All ifs songwriter rock
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  None
                                       'tag_title'  House of the rising sun
                                             'bpm'  135.2
                                    'search_title'  'house':1 'of':2 'rising':4 'sun':5 'the':3
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  
                                     'search_rest'  'all':2 'ifs':3 'pa':1 'rock':5 'songwriter':4
                                    'search_combo'  'all':9 'bob':6B 'dylan':7B 'house':1A 'ifs':10 'of':2A 'pa':8 'rising':4A 'rock':12 'songwriter':11 'sun':5A 'the':3A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-2', 'Q-CHART-4', 'q-drums-4', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135094.764577  (2021-11-05 18:58:14)
                             'size'  3187868