======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '241'
                                          'artist'  'ABN'
                                     'text_people'  ''
                                         'release'  'Seriewoordenaar'
                                           'title'  'Ex-Liefdadigheid'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['dirty south', 'nederhop', 'texas', 'hip-hop', 'my shit']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '92.055'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:ò\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xf2\x18\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Seriewoordenaar'
'TBPM' (BPM (beats per minute))                     '92.055'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Ex-Liefdadigheid'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'ABN'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['dirty south', 'nederhop', 'texas', 'hip-hop', 'my shit']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.39 dB'
'TXXX:replaygain_track_peak'                        '0.817438'

========================== row from database ==========================
                                              'id'  1491379
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Ex-Liefdadigheid.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  241
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4830362
                                           'mtime'  1620592424
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch hip hop rnb rap turntablism
                                      'tag_artist'  ABN
                                     'tag_release'  Seriewoordenaar
                                       'tag_title'  Ex-Liefdadigheid
                                             'bpm'  92.055
                                    'search_title'  'ex':1 'exliefdadigheid':3 'liefdadigheid':2
                                   'search_artist'  'abn':1
                                  'search_release'  'seriewoordenaar':1
                                     'search_rest'  '00dutch':4 '00mid':1 'europe':3 'hip':5 'hop':6 'north':2 'rap':8 'rnb':7 'turntablism':9
                                    'search_combo'  '00dutch':9 '00mid':6 'abn':4B 'europe':8 'ex':1A 'exliefdadigheid':3A 'hip':10 'hop':11 'liefdadigheid':2A 'north':7 'rap':13 'rnb':12 'seriewoordenaar':5C 'turntablism':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dirty south', 'nederhop', 'texas', 'hip-hop', 'my shit']
                                        'tag_date'  2000
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620592424.362874  (2021-05-09 22:33:44)
                             'size'  4830362