======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '205'
                                          'artist'  'Leoncavallo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Smartelied uit Paljas'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', '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'  '135.1'
                                             'key'  'C m'  (5A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.1'
'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)         'Smartelied uit Paljas'
'TKEY' (Initial key)                                'C m'
'TPE1' (Lead performer(s)/Soloist(s))               'Leoncavallo'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWn7Xh/XIf/n3ijbjDEZLgAGBnoDpDgmq2BF9gAHin4ABgAH0HrJigAHAL6Y9h4aAAerkCs4DuIABm4HCLRBGJZvR58DzgAKAAZFEwY7AaoP+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'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.332591'

========================== row from database ==========================
                                              'id'  1495084
                                            'path'  /data/Music/Other/Pa/Klassiek/Paljas.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  205
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  4117286
                                           'mtime'  1621094167
                                   'redo_metaread'  0
                                        'rest_str'   Klassiek prerock classical or classical instruments
                                      'tag_artist'  Leoncavallo
                                     'tag_release'  None
                                       'tag_title'  Smartelied uit Paljas
                                             'bpm'  135.1
                                    'search_title'  'paljas':3 'smartelied':1 'uit':2
                                   'search_artist'  'leoncavallo':1
                                  'search_release'  
                                     'search_rest'  'classical':3 'instruments':5 'klassiek':1 'or':4 'prerock':2
                                    'search_combo'  'classical':7 'instruments':9 'klassiek':5 'leoncavallo':4B 'or':8 'paljas':3A 'prerock':6 'smartelied':1A 'uit':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  C m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094166.7474635  (2021-05-15 17:56:06)
                             'size'  4117286