======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '249'
                                          'artist'  'Brahms'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Hongaarse dans nr 6'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', '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'  '143.5'
                                             'key'  'A m'  (8A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.5'
'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)         'Hongaarse dans nr 6'
'TKEY' (Initial key)                                'A m'
'TPE1' (Lead performer(s)/Soloist(s))               'Brahms'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWh+rgo2zfShsi6FL0hBSgAGBU4DpDiOZVOT8gAHY16STgAEKha7pgAHXNYPGmNSAAa3xJgWg3oABgAGenh7Z/pTBT5omgAKAAY+iv/7L+ITX9uQ7Y48/gqyBKhG6oSkSJ4Av0xyEEoCpAqKvNYAOujWHK4pigAHFTRYB1w6C8oMQuukaA++TqtWpIYACgAE='
'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/'                       '0000396100004f0782150400000140904001c8204010292edffa293ecf3c777ccffcc22ffff1fecf37132fe2cff4dc32ffda5effeff0fbbfffac7dfcfff8d7fcff7bcfcdbff1ffffff3b1edcffecc7f0ff311cfffffdffcf333e4fbcff37dc3ffffc9faf2c38ffef73710e3cfffcce7f9ff0333ebff4c23fcff8271e7edf8f478ccfd70b1ffe2f0acfffdc0a0bd8cf635fe8bfecbffc1eb8cfb158fcfffd8c8cddfc394dcff4221cdffcb2ffcffc4b3efffefecfbf06ffeffbf99f7c7ff1cd3efffc38ffdf70673ffffce2fcdfc9cfedfff0deffff36ffffbffe13fccdc9cbe0dfa13e8bfcd2ecce0ffddc31bff28e3feffcfeedabfebcf18ffcce3f7fb0753c3ff0a13fcff0235e7edf8a4bcccfdb1b2ffe3b08dfffdc0a0bdccf521ee8bffdfff81eb8ef7048fefffc4c4ccbfc31204fcd2c1c02c828152eb6d90e4ff02c040fdd01008438010cdfc9245c0cf02564c5b18400ef49f9772fecd1033f8cbf08eec53f3b3733000039e79e79eb8e75e7aeb7efae79e39e79fbeffec7bfb9ebaeb6dbbe79e79e39eb8f39ebaeb8ef6e7acf9bbecfbfb1df7e7aebadb6fbffb1e7dffea69e7bffdf80'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.629050'

========================== row from database ==========================
                                              'id'  1494985
                                            'path'  /data/Music/Other/Pa/Klassiek/Hongaarse dans nr 6.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  249
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  4986702
                                           'mtime'  1621094165
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Brahms
                                     'tag_release'  None
                                       'tag_title'  Hongaarse dans nr 6
                                             'bpm'  143.5
                                    'search_title'  '6':4 'dans':2 'hongaarse':1 'nr':3
                                   'search_artist'  'brahms':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  '6':4A 'brahms':5B 'classical':9 'dans':2A 'hongaarse':1A 'instruments':11 'klassiek':7 'nr':3A 'or':10 'pa':6 'prerock':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  A 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-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094165.4859662  (2021-05-15 17:56:05)
                             'size'  4986702