======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '236'
                                          'artist'  'Deicide'
                                     'text_people'  'Deicide/Glen Benton'
                                         'release'  'Once Upon the Cross'
                                           'title'  'Confessional Rape'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '88'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x18\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x007\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x002\x007\x002\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x002\x003\x009\x007\x006\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x007\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x002\x007\x002\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x002\x003\x009\x007\x006\x004\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:~!:-'Í\x17Mºs\x13\x0c¦2.U"  PRIV(owner='WM/WMCollectionGroupID', data=b"~!:-'\xcd\x17M\xbas\x13\x0c\xa62.U")
"PRIV:WM/WMCollectionID:~!:-'Í\x17Mºs\x13\x0c¦2.U"  PRIV(owner='WM/WMCollectionID', data=b"~!:-'\xcd\x17M\xbas\x13\x0c\xa62.U")
'PRIV:WM/WMContentID:$\x884D¶/ÒF¬ºÑ\x0f\x8eMVÕ'     PRIV(owner='WM/WMContentID', data=b'$\x884D\xb6/\xd2F\xac\xba\xd1\x0f\x8eMV\xd5')
'TALB' (Album/Movie/Show title)                     'Once Upon the Cross'
'TBPM' (BPM (beats per minute))                     '88'
'TCOM' (Composer)                                   'Deicide/Glen Benton'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Confessional Rape'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deicide'
'TPE2' (Band/orchestra/accompaniment)               'Deicide'
'TPUB' (Publisher)                                  'Roadrunner'
'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'                                  ['death metal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-2.64 dB'
'TXXX:replaygain_track_peak'                        '0.517961'

========================== row from database ==========================
                                              'id'  1400709
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Deicide/Once Upon the Cross/Deicide-Confessional Rape.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  236
                                           'genre'  eid-metal-death
                                        'filesize'  9452879
                                           'mtime'  1620301916
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal death
                                      'tag_artist'  Deicide
                                     'tag_release'  Once Upon the Cross
                                       'tag_title'  Confessional Rape
                                             'bpm'  88.0
                                    'search_title'  'confessional':1 'rape':2
                                   'search_artist'  'deicide':1
                                  'search_release'  'cross':4 'once':1 'the':3 'upon':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':8 '00metal':9 'confessional':1A 'cross':7C 'death':12 'deicide':3B 'eid':10 'metal':11 'once':4C 'rape':2A 'the':6C 'upon':5C
                                    '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301916.1796575  (2021-05-06 13:51:56)
                             'size'  9452879