======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '299'
                                          'artist'  'Henk Elsink'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Hij had een snor'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-1', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['cabaret', 'comedy', 'the netherlands']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '130.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Hij had een snor'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Henk Elsink'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWpttggmQ+Z+UgUNaIkQqgAGBNIgiCG+jPgrigAHDh4ABgAEsxcbSgAESc4BIhV6AAa21uPu7+4ABgAHEKw4b4OvJ/JshgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:lastfmtags'                                   ['cabaret', 'comedy', 'the netherlands']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.600255'

========================== row from database ==========================
                                              'id'  1495594
                                            'path'  /data/Music/Other/Pa/Nederlands/Henk Elsink/Snor.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  299
                                           'genre'  loc-eur-netherlands
                                        'filesize'  6004068
                                           'mtime'  1621630398
                                   'redo_metaread'  0
                                        'rest_str'   Pa Nederlands Snor loc eur netherlands
                                      'tag_artist'  Henk Elsink
                                     'tag_release'  None
                                       'tag_title'  Hij had een snor
                                             'bpm'  130.7
                                    'search_title'  'een':3 'had':2 'hij':1 'snor':4
                                   'search_artist'  'elsink':2 'henk':1
                                  'search_release'  
                                     'search_rest'  'eur':5 'loc':4 'nederlands':2 'netherlands':6 'pa':1 'snor':3
                                    'search_combo'  'een':3A 'elsink':6B 'eur':11 'had':2A 'henk':5B 'hij':1A 'loc':10 'nederlands':8 'netherlands':12 'pa':7 'snor':4A,9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-1']
                                      'lastfmtags'  ['cabaret', 'comedy', 'the netherlands']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630397.7622807  (2021-05-21 22:53:17)
                             'size'  6004068