======================== unified (from filesystem) ========================
                                         'bitrate'  '255.856'
                                        'duration'  '209'
                                          'artist'  'Children Of Bodom'
                                     'text_people'  ''
                                         'release'  'Trashed, Lost & Strungout'
                                           'title'  'Knuckleduster'
                                           '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-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'melodic death metal', 'death metal', 'cover', 'power metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '115.524'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

"PRIV:AverageLevel:('\x00\x00"                      PRIV(owner='AverageLevel', data=b"('\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')
'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')
'TALB' (Album/Movie/Show title)                     'Trashed, Lost & Strungout'
'TBPM' (BPM (beats per minute))                     '115.524'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Knuckleduster'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Children Of Bodom'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'melodic death metal', 'death metal', 'cover', 'power metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-1.92 dB'
'TXXX:replaygain_track_peak'                        '0.378369'

========================== row from database ==========================
                                              'id'  1271890
                                            'path'  /data/Music/Bulk/00dwimp/Children of Bodom/Trashed, Lost & Strungout/Children Of Bodom - Trashed, Lost & Strungout - 02 - Knuckleduster.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  209
                                           'genre'  eid-metal-death
                                        'filesize'  6725267
                                           'mtime'  1620302114
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp of 02 eid metal death
                                      'tag_artist'  Children Of Bodom
                                     'tag_release'  Trashed, Lost & Strungout
                                       'tag_title'  Knuckleduster
                                             'bpm'  115.524
                                    'search_title'  'knuckleduster':1
                                   'search_artist'  'bodom':3 'children':1 'of':2
                                  'search_release'  'lost':3 'strungout':4 'trashed':1,2
                                     'search_rest'  '00dwimp':1 'death':5 'eid':3 'metal':4 'of':2
                                    'search_combo'  '00dwimp':9 'bodom':4B 'children':2B 'death':13 'eid':11 'knuckleduster':1A 'lost':7C 'metal':12 'of':3B,10 'strungout':8C 'trashed':5C,6C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'melodic death metal', 'death metal', 'cover', 'power metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302114.0773168  (2021-05-06 13:55:14)
                             'size'  6725267