======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '360'
                                          'artist'  'Graveworm'
                                     'text_people'  ''
                                         'release'  'Scourge Of Malice'
                                           'title'  'Unhallowed By The Infernal One'
                                           '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'symphonic black metal', 'cover', 'gothic metal', 'melodic "
 "black metal', 'black metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '120.974'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:5,\x00\x00'                      PRIV(owner='AverageLevel', data=b'5,\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)                     'Scourge Of Malice'
'TBPM' (BPM (beats per minute))                     '120.974'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Unhallowed By The Infernal One'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Graveworm'
'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'                                   ['instrumental',
 'symphonic black metal',
 'cover',
 'gothic metal',
 'melodic black metal',
 'black 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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.341239'

========================== row from database ==========================
                                              'id'  1279921
                                            'path'  /data/Music/Bulk/00dwimp/Graveworm/Scourge of malice/02 Unhallowed By The Infernal One.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  360
                                           'genre'  eid-metal-black
                                        'filesize'  8666050
                                           'mtime'  1620301904
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp of malice 02 eid metal black
                                      'tag_artist'  Graveworm
                                     'tag_release'  Scourge Of Malice
                                       'tag_title'  Unhallowed By The Infernal One
                                             'bpm'  120.974
                                    'search_title'  'by':2 'infernal':4 'one':5 'the':3 'unhallowed':1
                                   'search_artist'  'graveworm':1
                                  'search_release'  'malice':3 'of':2 'scourge':1
                                     'search_rest'  '00dwimp':1 'black':6 'eid':4 'malice':3 'metal':5 'of':2
                                    'search_combo'  '00dwimp':10 'black':15 'by':2A 'eid':13 'graveworm':6B 'infernal':4A 'malice':9C,12 'metal':14 'of':8C,11 'one':5A 'scourge':7C 'the':3A 'unhallowed':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['instrumental', 'symphonic black metal', 'cover', 'gothic metal', 'melodic black metal', 'black metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301904.2669134  (2021-05-06 13:51:44)
                             'size'  8666050