======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '315'
                                          'artist'  'Bob Dylan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Restless farewell'
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', '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'  '11'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '137.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '4C11A814+339176+20+150+13811+35478+65910+77246+96672+111591+113313+132962+146864+171289+194950+208404+225571+237492+246488+260205+292957+312564+325753'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '11'
'TBPM' (BPM (beats per minute))                     '137.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TIT2' (Title/songname/content description)         'Restless farewell'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan'
'TRCK' (Track number/Position in set)               '11'
'TXXX:MusicMagic Data'                              'AgEBYhuHhxmgxKc4gaPm8zxVrUmAlIkJDgulQgmEgAHH0YABt+oh7axggAHRq4BmieCAAZvby22zMIABgAGqVQfN1ROn247lgAKAAZVAon2pYoKE/lY17oNrgmWUcQyhoyUgaoCs68eTppKBFxqvW4WTwxuVNITzkLnOHr1a6HKPLoCNr7oIGOfSr32vAoEEgG0='
'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'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.685862'

========================== row from database ==========================
                                              'id'  1495466
                                            'path'  /data/Music/Other/Pa/All/Bob Dylan/Restless farewell.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  315
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  6319403
                                           'mtime'  1636135102
                                   'redo_metaread'  0
                                        'rest_str'   Pa All ifs songwriter rock
                                      'tag_artist'  Bob Dylan
                                     'tag_release'  None
                                       'tag_title'  Restless farewell
                                             'bpm'  137.4
                                    'search_title'  'farewell':2 'restless':1
                                   'search_artist'  'bob':1 'dylan':2
                                  'search_release'  
                                     'search_rest'  'all':2 'ifs':3 'pa':1 'rock':5 'songwriter':4
                                    'search_combo'  'all':6 'bob':3B 'dylan':4B 'farewell':2A 'ifs':7 'pa':5 'restless':1A 'rock':9 'songwriter':8
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135102.3096366  (2021-11-05 18:58:22)
                             'size'  6319403