======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '332'
                                          'artist'  'GORKY'
                                     'text_people'  ''
                                         'release'  'Gorky'
                                           'title'  'Mia'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['nederlandstalig', 'indie', 'pop', 'rock', 'belgium', 'belgian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '113.453'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:0&j|®O\x98D\x81óõ·Eö\x83ó'  PRIV(owner='WM/WMCollectionGroupID', data=b'0&j|\xaeO\x98D\x81\xf3\xf5\xb7E\xf6\x83\xf3')
'PRIV:WM/WMCollectionID:0&j|®O\x98D\x81óõ·Eö\x83ó'  PRIV(owner='WM/WMCollectionID', data=b'0&j|\xaeO\x98D\x81\xf3\xf5\xb7E\xf6\x83\xf3')
'PRIV:WM/WMContentID:<³V\tnDEN´ÞPð\x1c\x110\x02'    PRIV(owner='WM/WMContentID', data=b'<\xb3V\tnDEN\xb4\xdeP\xf0\x1c\x110\x02')
'TALB' (Album/Movie/Show title)                     'Gorky'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Mia'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Gorky'
'TPE2' (Band/orchestra/accompaniment)               'GORKY'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['nederlandstalig', 'indie', 'pop', 'rock', 'belgium', 'belgian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.895502'

========================== row from database ==========================
                                              'id'  1534591
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mia.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  332
                                           'genre'  rock-unsorted
                                        'filesize'  5316608
                                           'mtime'  1621629376
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock unsorted
                                      'tag_artist'  GORKY
                                     'tag_release'  Gorky
                                       'tag_title'  Mia
                                             'bpm'  113.453
                                    'search_title'  'mia':1
                                   'search_artist'  'gorky':1
                                  'search_release'  'gorky':1
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':4 'gorky':2B,3C 'mia':1A 'rock':5 'unsorted':6
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'indie', 'pop', 'rock', 'belgium', 'belgian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629375.9435635  (2021-05-21 22:36:15)
                             'size'  5316608