======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'In Flames'
                                     'text_people'  'In Flames'
                                         'release'  'The Tokyo Showdown: Live'
                                           'title'  'Food for the Gods'
                                           '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-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-melodic'
                                             'bpm'  '113'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{\x1f\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1f\x00\x00')
'PRIV:PeakValue:!|\x00\x00'                         PRIV(owner='PeakValue', data=b'!|\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')
'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 \x00 \x005\x005\x001\x005\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x000\x003\x001\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x003\x004\x005\x009\x000\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x005\x001\x005\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x000\x003\x001\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x003\x004\x005\x009\x000\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x10\x05î\xad\x01ç[O\x83\x03\x82wKz\x12\x0e'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x10\x05\xee\xad\x01\xe7[O\x83\x03\x82wKz\x12\x0e')
'PRIV:WM/WMCollectionID:\x10\x05î\xad\x01ç[O\x83\x03\x82wKz\x12\x0e'  PRIV(owner='WM/WMCollectionID', data=b'\x10\x05\xee\xad\x01\xe7[O\x83\x03\x82wKz\x12\x0e')
'PRIV:WM/WMContentID:¦|üS\x9e~âH«X¹\x8f;a£\x0f'     PRIV(owner='WM/WMContentID', data=b'\xa6|\xfcS\x9e~\xe2H\xabX\xb9\x8f;a\xa3\x0f')
'TALB' (Album/Movie/Show title)                     'The Tokyo Showdown: Live'
'TBPM' (BPM (beats per minute))                     '113'
'TCOM' (Composer)                                   'In Flames'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-melodic']
'TCOP' (Copyright message)                          '?'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 '?'
'TIT2' (Title/songname/content description)         'Food for the Gods'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'In Flames'
'TPE2' (Band/orchestra/accompaniment)               'In Flames'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '4'
'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'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.10 dB'
'TXXX:replaygain_track_peak'                        '0.456988'

========================== row from database ==========================
                                              'id'  1391511
                                            'path'  /data/Music/Bulk/00dwimp/00metal/In Flames/The Tokyo Showdown_ Live/In Flames-The Tokyo Showdown- Live-Food for the Gods.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  eid-metal-death;eid-metal-melodic
                                        'filesize'  6353179
                                           'mtime'  1620302000
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Showdown_ eid metal death;eid metal melodic
                                      'tag_artist'  In Flames
                                     'tag_release'  The Tokyo Showdown: Live
                                       'tag_title'  Food for the Gods
                                             'bpm'  113.0
                                    'search_title'  'food':1 'for':2 'gods':4 'the':3
                                   'search_artist'  'flames':2 'in':1
                                  'search_release'  'live':5 'showdown':3,4 'the':1 'tokyo':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':6,8 'eid':4,7,9 'melodic':10 'metal':5 'showdown':3
                                    'search_combo'  '00dwimp':12 '00metal':13 'death':17,19 'eid':15,18,20 'flames':6B 'food':1A 'for':2A 'gods':4A 'in':5B 'live':11C 'melodic':21 'metal':16 'showdown':9C,10C,14 'the':3A,7C 'tokyo':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301999.6211078  (2021-05-06 13:53:19)
                             'size'  6353179