======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Five Finger Death Punch'
                                     'text_people'  'Bathory/Five Finger Death Punch/Moody/Spencer'
                                         'release'  'The Way Of The Fist'
                                           'title'  'Death Before Dishonor'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']"
                                     'discogstags'  "['rock', 'nu metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '110.003'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x002\x008\x001\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x008\x008\x001\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x001\x007\x001\x006\x006\x004\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x002\x008\x001\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x004\x008\x008\x001\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x001\x007\x001\x006\x006\x004\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x93À72Yå½D§\xa0\x89±äVêí'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x93\xc072Y\xe5\xbdD\xa7\xa0\x89\xb1\xe4V\xea\xed')
'PRIV:WM/WMCollectionID:\x93À72Yå½D§\xa0\x89±äVêí'  PRIV(owner='WM/WMCollectionID', data=b'\x93\xc072Y\xe5\xbdD\xa7\xa0\x89\xb1\xe4V\xea\xed')
'PRIV:WM/WMContentID:\x01.OpÒÈ\x15G\x84L6sÛºöÕ'     PRIV(owner='WM/WMContentID', data=b'\x01.Op\xd2\xc8\x15G\x84L6s\xdb\xba\xf6\xd5')
'PRIV:http://www.cdtag.com:\x02\x00ê#\x0f\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xea#\x0f\x00')
'TALB' (Album/Movie/Show title)                     'The Way Of The Fist'
'TBPM' (BPM (beats per minute))                     '110.003'
'TCOM' (Composer)                                   'Bathory/Five Finger Death Punch/Moody/Spencer'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2007-07-31'
'TIT2' (Title/songname/content description)         'Death Before Dishonor'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Five Finger Death Punch'
'TPE2' (Band/orchestra/accompaniment)               'Five Finger Death Punch'
'TPUB' (Publisher)                                  'Firm Music'
'TRCK' (Track number/Position in set)               '9'
'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'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Normal'
'TXXX:Rip date'                                     '2007-07-28'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['rock', 'nu metal', 'heavy metal']
'TXXX:lastfmtags'                                   ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.315127'

========================== row from database ==========================
                                              'id'  1398689
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Five Finger Death Punch/09-five_finger_death_punch-death_before_dishonor.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  eid-metal
                                        'filesize'  9568256
                                           'mtime'  1620300728
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 09 five_finger_death_punch death_before_dishonor eid metal
                                      'tag_artist'  Five Finger Death Punch
                                     'tag_release'  The Way Of The Fist
                                       'tag_title'  Death Before Dishonor
                                             'bpm'  110.003
                                    'search_title'  'before':2 'death':1 'dishonor':3
                                   'search_artist'  'death':3 'finger':2 'five':1 'punch':4
                                  'search_release'  'fist':4 'of':3 'the':1 'way':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'before':8 'death':5,7 'dishonor':9 'eid':10 'finger':4 'five':3 'metal':11 'punch':6
                                    'search_combo'  '00dwimp':12 '00metal':13 'before':2A,19 'death':1A,6B,16,18 'dishonor':3A,20 'eid':21 'finger':5B,15 'fist':11C 'five':4B,14 'metal':22 'of':10C 'punch':7B,17 'the':8C 'way':9C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           '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-4']
                                      'lastfmtags'  ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'nu metal', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1620300727.7223084  (2021-05-06 13:32:07)
                             'size'  9568256