======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '225'
                                          'artist'  'Arch Enemy'
                                     'text_people'  'Joey Tempest/M. Jacobs'
                                         'release'  'Burning Bridges'
                                           'title'  'Scream of Anger [*]'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', '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-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'metal', 'melodic death metal', 'death metal', 'female fronted "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-melodic'
                                             'bpm'  '98.934'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x15%\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x15%\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:-\x1eh(WºrI©[/¿ÑÓv\x9b'  PRIV(owner='WM/WMCollectionGroupID', data=b'-\x1eh(W\xbarI\xa9[/\xbf\xd1\xd3v\x9b')
'PRIV:WM/WMCollectionID:-\x1eh(WºrI©[/¿ÑÓv\x9b'     PRIV(owner='WM/WMCollectionID', data=b'-\x1eh(W\xbarI\xa9[/\xbf\xd1\xd3v\x9b')
'TALB' (Album/Movie/Show title)                     'Burning Bridges'
'TBPM' (BPM (beats per minute))                     '98.934'
'TCOM' (Composer)                                   'Joey Tempest/M. Jacobs'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-melodic']
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Scream of Anger [*]'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '225000'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Arch Enemy'
'TPE2' (Band/orchestra/accompaniment)               'Arch Enemy'
'TPUB' (Publisher)                                  'Japanese Import'
'TRCK' (Track number/Position in set)               '9'
'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',
 'metal',
 'melodic death metal',
 'death metal',
 'female fronted metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.73 dB'
'TXXX:replaygain_track_peak'                        '0.590542'

========================== row from database ==========================
                                              'id'  1310809
                                            'path'  /data/Music/Bulk/00poprockelectronic/Arch Enemy/1999 - Burning Bridges [--aps]/arch enemy - burning bridges (japan) - scream of anger(2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  225
                                           'genre'  eid-metal-death;eid-metal-melodic
                                        'filesize'  3608402
                                           'mtime'  1620302138
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1999 aps] arch enemy burning bridges (japan) scream anger(2) eid metal death;eid metal melodic
                                      'tag_artist'  Arch Enemy
                                     'tag_release'  Burning Bridges
                                       'tag_title'  Scream of Anger [*]
                                             'bpm'  98.934
                                    'search_title'  'anger':3 'of':2 'scream':1
                                   'search_artist'  'arch':1 'enemy':2
                                  'search_release'  'bridges':2 'burning':1
                                     'search_rest'  '00poprockelectronic':1 '1999':2 '2':13 'anger':12 'anger2':14 'aps':3,4 'arch':5 'bridges':8 'burning':7 'death':17,19 'eid':15,18,20 'enemy':6 'japan':9,10 'melodic':21 'metal':16 'scream':11
                                    'search_combo'  '00poprockelectronic':8 '1999':9 '2':20 'anger':3A,19 'anger2':21 'aps':10,11 'arch':4B,12 'bridges':7C,15 'burning':6C,14 'death':24,26 'eid':22,25,27 'enemy':5B,13 'japan':16,17 'melodic':28 'metal':23 'of':2A 'scream':1A,18
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'metal', 'melodic death metal', 'death metal', 'female fronted metal']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302137.7556891  (2021-05-06 13:55:37)
                             'size'  3608402