======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '1377'
                                          'artist'  'Saint - Saens'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Orgelsymfonie'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-2', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '135.4'
                                             'key'  'G#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Orgelsymfonie'
'TKEY' (Initial key)                                'G#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Saint - Saens'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWpSbglnclsspgcbnEP6cgAGA7IB1DdihjhaVgD/cLYABgAHlk6+igG6VDIABmHSAAbXCKWuzS5p6gAGzSB3ww32AAZrlgAKAAZFEwY7AaoP+7EZAxZEngteBMhItoiQXzIA00mWAAYC+AaavPoAPtpWHl4iUgAHIORQB3dSDUYNxvnIZaO2zqAWrAYACgAE='
'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'                                  '1'
'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'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.729807'

========================== row from database ==========================
                                              'id'  1495410
                                            'path'  /data/Music/Other/Pa/Klassiek/Orgelsymfonie.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  1377
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  27551799
                                           'mtime'  1621094167
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Saint - Saens
                                     'tag_release'  None
                                       'tag_title'  Orgelsymfonie
                                             'bpm'  135.4
                                    'search_title'  'orgelsymfonie':1
                                   'search_artist'  'saens':2 'saint':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'classical':7 'instruments':9 'klassiek':5 'or':8 'orgelsymfonie':1A 'pa':4 'prerock':6 'saens':3B 'saint':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094166.6693323  (2021-05-15 17:56:06)
                             'size'  27551799