======================== unified (from filesystem) ========================
                                         'bitrate'  '247.786'
                                        'duration'  '121'
                                          'artist'  'Bleeding Through'
                                     'text_people'  ''
                                         'release'  'This Is Love, This Is Murderou'
                                           'title'  'Shadow Walker'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'hardcore', 'melodic death metal', 'metal', 'death metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '114'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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)                     'This Is Love, This Is Murderou'
'TBPM' (BPM (beats per minute))                     '114'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Shadow Walker'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bleeding Through'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['metalcore', 'hardcore', 'melodic death metal', 'metal', 'death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.63 dB'
'TXXX:replaygain_track_peak'                        '0.448483'

========================== row from database ==========================
                                              'id'  1394196
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Bleeding Through/This Is Love, This Is Murderou/111-bleeding_through-shadow_walker-hxc.mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  121
                                           'genre'  eid-metal-death
                                        'filesize'  3772213
                                           'mtime'  1620301869
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 111 bleeding_through shadow_walker hxc eid metal death
                                      'tag_artist'  Bleeding Through
                                     'tag_release'  This Is Love, This Is Murderou
                                       'tag_title'  Shadow Walker
                                             'bpm'  114.0
                                    'search_title'  'shadow':1 'walker':2
                                   'search_artist'  'bleeding':1 'through':2
                                  'search_release'  'is':2 'love':3,4 'murderou':5 'this':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '111':3 'bleeding':4 'death':11 'eid':9 'hxc':8 'metal':10 'shadow':6 'through':5 'walker':7
                                    'search_combo'  '00dwimp':10 '00metal':11 '111':12 'bleeding':3B,13 'death':20 'eid':18 'hxc':17 'is':6C 'love':7C,8C 'metal':19 'murderou':9C 'shadow':1A,15 'this':5C 'through':4B,14 'walker':2A,16
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['metalcore', 'hardcore', 'melodic death metal', 'metal', 'death metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301868.5376995  (2021-05-06 13:51:08)
                             'size'  3772213