======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '332'
                                          'artist'  'In Flames'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Eye Of The Beholder'
                                           '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-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '130'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000090F 000007F2 00001F4E 00001E96 0002E65E 0002E65E 00005CE1 0000630A '
 '00024A35 0003A980')
'PRIV:AverageLevel:{\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0e\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')
'TBPM' (BPM (beats per minute))                     '130'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TIT2' (Title/songname/content description)         'Eye Of The Beholder'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'In Flames'
'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'                                   ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.601494'

========================== row from database ==========================
                                              'id'  1396701
                                            'path'  /data/Music/Bulk/00dwimp/00metal/In Flames/Onbekend/In Flames-Eye Of The Beholder.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  332
                                           'genre'  eid-metal-death
                                        'filesize'  5329544
                                           'mtime'  1620301988
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Onbekend eid metal death
                                      'tag_artist'  In Flames
                                     'tag_release'  None
                                       'tag_title'  Eye Of The Beholder
                                             'bpm'  130.0
                                    'search_title'  'beholder':4 'eye':1 'of':2 'the':3
                                   'search_artist'  'flames':2 'in':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':6 'eid':4 'metal':5 'onbekend':3
                                    'search_combo'  '00dwimp':7 '00metal':8 'beholder':4A 'death':12 'eid':10 'eye':1A 'flames':6B 'in':5B 'metal':11 'of':2A 'onbekend':9 'the':3A
                                    'tag_tracknum'  None
                                      '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-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301988.0626755  (2021-05-06 13:53:08)
                             'size'  5329544