======================== unified (from filesystem) ========================
                                         'bitrate'  '200.035'
                                        'duration'  '223'
                                          'artist'  'Veils'
                                     'text_people'  ''
                                         'release'  'Nux Vomica'
                                           'title'  'A Birthday Present'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['screamo', 'hardcore', 'ukhc', 'witch house', 'melodic hardcore']"
                                     'discogstags'  "['industrial', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '122.957'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:H#\x00\x00'                      PRIV(owner='AverageLevel', data=b'H#\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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')
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'TALB' (Album/Movie/Show title)                     'Nux Vomica'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'A Birthday Present'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Veils'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['industrial', 'electronic', 'experimental']
'TXXX:lastfmtags'                                   ['screamo', 'hardcore', 'ukhc', 'witch house', 'melodic hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.391767'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.theveils.com/')

========================== row from database ==========================
                                              'id'  1252107
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Veils/Nux Vomica/06-a_birthday_present.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  223
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5583284
                                           'mtime'  1642256198
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos The 06 a_birthday_present ifs songwriter indie unsorted
                                      'tag_artist'  Veils
                                     'tag_release'  Nux Vomica
                                       'tag_title'  A Birthday Present
                                             'bpm'  122.957
                                    'search_title'  'a':1 'birthday':2 'present':3
                                   'search_artist'  'veils':1
                                  'search_release'  'nux':1 'vomica':2
                                     'search_rest'  '00singer':1 'a':5 'birthday':6 'eos':3 'ifs':8 'indie':9 'present':7 'songwriter':2 'the':4 'unsorted':10
                                    'search_combo'  '00singer':7 'a':1A,11 'birthday':2A,12 'eos':9 'ifs':14 'indie':15 'nux':5C 'present':3A,13 'songwriter':8 'the':10 'unsorted':16 'veils':4B 'vomica':6C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['screamo', 'hardcore', 'ukhc', 'witch house', 'melodic hardcore']
                                        'tag_date'  2006
                                     'discogstags'  ['industrial', 'electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1642256198.4385023  (2022-01-15 15:16:38)
                             'size'  5583284