======================== unified (from filesystem) ========================
                                         'bitrate'  '262.594'
                                        'duration'  '313'
                                          'artist'  'Deadlock'
                                     'text_people'  ''
                                         'release'  'Manifesto'
                                           'title'  'Martyr To Science'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['female fronted metal', 'german', 'metal', 'death metal', 'metalcore', "
 "'melodic death metal']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '129.896'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x01\x06.ò\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x01\x06.\xf2\x00')
'TALB' (Album/Movie/Show title)                     'Manifesto'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2008-00-00'
'TIT2' (Title/songname/content description)         'Martyr To Science'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Deadlock'
'TPUB' (Publisher)                                  'Lifeforce'
'TRCK' (Track number/Position in set)               '2/11'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Promo'
'TXXX:Rip date'                                     '2008-10-13'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['female fronted metal',
 'german',
 'metal',
 'death metal',
 'metalcore',
 'melodic death metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.267675'

========================== row from database ==========================
                                              'id'  1395337
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Deadlock/02-martyr to science-gw.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  313
                                           'genre'  eid-metal-death
                                        'filesize'  10307627
                                           'mtime'  1620301880
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 02 martyr science gw eid metal death
                                      'tag_artist'  Deadlock
                                     'tag_release'  Manifesto
                                       'tag_title'  Martyr To Science
                                             'bpm'  129.896
                                    'search_title'  'martyr':1 'science':3 'to':2
                                   'search_artist'  'deadlock':1
                                  'search_release'  'manifesto':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':8 'eid':6 'gw':5 'martyr':3 'metal':7 'science':4
                                    'search_combo'  '00dwimp':6 '00metal':7 'deadlock':4B 'death':13 'eid':11 'gw':10 'manifesto':5C 'martyr':1A,8 'metal':12 'science':3A,9 'to':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['female fronted metal', 'german', 'metal', 'death metal', 'metalcore', 'melodic death metal']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620301879.8149643  (2021-05-06 13:51:19)
                             'size'  10307627