======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '313'
                                          'artist'  'Children of Bodom'
                                     'text_people'  'A. Laiho'
                                         'release'  'Hate Crew Deathroll'
                                           'title'  "Angels Don't Kill"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['death metal', 'melodic death metal', 'metal', 'finnish', 'power metal']"
                                     'discogstags'  "['melodic death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '91.971'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
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'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:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:\x91\x168æí>oL\x8d/]²øS\x95]'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x91\x168\xe6\xed>oL\x8d/]\xb2\xf8S\x95]')
'PRIV:WM/WMCollectionID:\x91\x168æí>oL\x8d/]²øS\x95]'  PRIV(owner='WM/WMCollectionID', data=b'\x91\x168\xe6\xed>oL\x8d/]\xb2\xf8S\x95]')
'PRIV:WM/WMContentID:|9á"\x8dUÿA\x8cP\x08bÏ=$e'     PRIV(owner='WM/WMContentID', data=b'|9\xe1"\x8dU\xffA\x8cP\x08b\xcf=$e')
'TALB' (Album/Movie/Show title)                     'Hate Crew Deathroll'
'TBPM' (BPM (beats per minute))                     '91.971'
'TCOM' (Composer)                                   'A. Laiho'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Angels Don't Kill"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Children Of Bodom'
'TPE2' (Band/orchestra/accompaniment)               'Children of Bodom'
'TPUB' (Publisher)                                  'Century Media'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['melodic death metal', 'rock']
'TXXX:lastfmtags'                                   ['death metal', 'melodic death metal', 'metal', 'finnish', 'power metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.30 dB'
'TXXX:replaygain_track_peak'                        '0.335773'

========================== row from database ==========================
                                              'id'  1518336
                                            'path'  /data/Music/Bulk/00dwimp/Children of Bodom/Hate crew deathroll/Children of Bodom - Hate Crew Deathroll - 05 - angels don_t kill.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  eid-metal-death
                                        'filesize'  7534021
                                           'mtime'  1620302108
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp crew deathroll 05 angels don_t kill eid metal death
                                      'tag_artist'  Children of Bodom
                                     'tag_release'  Hate Crew Deathroll
                                       'tag_title'  Angels Don't Kill
                                             'bpm'  91.971
                                    'search_title'  'angels':1 'don':2 'dont':4 'kill':5 't':3
                                   'search_artist'  'bodom':3 'children':1 'of':2
                                  'search_release'  'crew':2 'deathroll':3 'hate':1
                                     'search_rest'  '00dwimp':1 'angels':4 'crew':2 'death':10 'deathroll':3 'don':5 'eid':8 'kill':7 'metal':9 't':6
                                    'search_combo'  '00dwimp':12 'angels':1A,15 'bodom':8B 'children':6B 'crew':10C,13 'death':21 'deathroll':11C,14 'don':2A,16 'dont':4A 'eid':19 'hate':9C 'kill':5A,18 'metal':20 'of':7B 't':3A,17
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['death metal', 'melodic death metal', 'metal', 'finnish', 'power metal']
                                        'tag_date'  2003
                                     'discogstags'  ['melodic death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620302107.787328  (2021-05-06 13:55:07)
                             'size'  7534021