======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '201'
                                          'artist'  'MC Frontalot'
                                     'text_people'  ''
                                         'release'  'Zero Day'
                                           'title'  'Disaster'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '97.835'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x01\x01?\x1e\x15\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x01\x01?\x1e\x15\x00')
'TALB' (Album/Movie/Show title)                     'Zero Day'
'TBPM' (BPM (beats per minute))                     '97.835'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Disaster'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'MC Frontalot'
'TPUB' (Publisher)                                  'Level Up Records & Tape'
'TRCK' (Track number/Position in set)               '7'
'TSSE' (Software/Hardware and settings used for encoding)  'WEB'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2010-03-18'
'TXXX:Ripping tool'                                 'WEB'
'TXXX:Source'                                       'WEB'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.361216'
'TXXX:ÿþLAUB MRAITTSM'                              [' CrFnoatol', 't']
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://frontalot.com/index.php/?page=cd4')

========================== row from database ==========================
                                              'id'  720132
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Mc Frontalot/Zero Day (2010)/07-mc_frontalot-disaster.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  201
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8088221
                                           'mtime'  1620586074
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Mc (2010) 07 mc_frontalot disaster hip hop or rnb or rap or turntablism
                                      'tag_artist'  MC Frontalot
                                     'tag_release'  Zero Day
                                       'tag_title'  Disaster
                                             'bpm'  97.835
                                    'search_title'  'disaster':1
                                   'search_artist'  'frontalot':2 'mc':1
                                  'search_release'  'day':2 'zero':1
                                     'search_rest'  '2010':6,7 'disaster':10 'frontalot':9 'hip':11 'hiphop':1 'hop':12 'mc':5,8 'or':13 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2010':11,12 'day':5C 'disaster':1A,15 'frontalot':3B,14 'hip':16 'hiphop':6 'hop':17 'mc':2B,10,13 'or':18 'rap':7 'rnb':8 'turntablism':9 'zero':4C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']
                                        'tag_date'  2010
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586073.724656  (2021-05-09 20:47:53)
                             'size'  8088221