======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '285'
                                          'artist'  'Darkane'
                                     'text_people'  'Klaus Ideberg'
                                         'release'  'Expanding Senses'
                                           'title'  'Innocence Gone'
                                           '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-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash metal', 'swedish', 'melodic death metal', 'death metal', 'metal']"
                                     'discogstags'  "['thrash', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '105'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'9\x00+\x009\x006\x00+\x005\x004\x005\x00E\x00+\x00A\x00D\x008\x005\x00+\x00E\x00F\x000\x00E\x00+\x001\x004\x003\x003\x002\x00+\x001\x009\x00F\x000\x00F\x00+\x001\x00C\x00F\x002\x00B\x00+\x002\x002\x003\x00E\x00C\x00+\x002\x006\x009\x003\x00F\x00+\x002\x00C\x00B\x002\x000\x00\x00\x00')
'PRIV:AverageLevel:{%\x00\x00'                      PRIV(owner='AverageLevel', data=b'{%\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\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 \x006\x000\x009\x006\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x007\x003\x007\x008\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x008\x001\x009\x002\x007\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x009\x006\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x007\x003\x007\x008\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x008\x001\x009\x002\x007\x006\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:\x8f¦f\x8b¶\x9a\x1aM«¬1\x95\x11©'Ñ"  PRIV(owner='WM/WMCollectionGroupID', data=b"\x8f\xa6f\x8b\xb6\x9a\x1aM\xab\xac1\x95\x11\xa9'\xd1")
"PRIV:WM/WMCollectionID:\x8f¦f\x8b¶\x9a\x1aM«¬1\x95\x11©'Ñ"  PRIV(owner='WM/WMCollectionID', data=b"\x8f\xa6f\x8b\xb6\x9a\x1aM\xab\xac1\x95\x11\xa9'\xd1")
'PRIV:WM/WMContentID:\x0b\x88¬ÕÕò)H½j\x88f\x9aK\xa0\x8a'  PRIV(owner='WM/WMContentID', data=b'\x0b\x88\xac\xd5\xd5\xf2)H\xbdj\x88f\x9aK\xa0\x8a')
'TALB' (Album/Movie/Show title)                     'Expanding Senses'
'TBPM' (BPM (beats per minute))                     '105'
'TCOM' (Composer)                                   'Klaus Ideberg'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Innocence Gone'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '285000'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkane'
'TPE2' (Band/orchestra/accompaniment)               'Darkane'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '1'
'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'                                  ['thrash', 'rock']
'TXXX:lastfmtags'                                   ['thrash metal', 'swedish', 'melodic death metal', 'death metal', 'metal']
'TXXX:q-bass'                                       '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.18 dB'
'TXXX:replaygain_track_peak'                        '0.385222'

========================== row from database ==========================
                                              'id'  1399500
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkane/Expanding Senses/Darkane-Expanding Senses-Innocence Gone.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  285
                                           'genre'  eid-metal-death
                                        'filesize'  11431628
                                           'mtime'  1620301874
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal death
                                      'tag_artist'  Darkane
                                     'tag_release'  Expanding Senses
                                       'tag_title'  Innocence Gone
                                             'bpm'  105.0
                                    'search_title'  'gone':2 'innocence':1
                                   'search_artist'  'darkane':1
                                  'search_release'  'expanding':1 'senses':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':6 '00metal':7 'darkane':3B 'death':10 'eid':8 'expanding':4C 'gone':2A 'innocence':1A 'metal':9 'senses':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'swedish', 'melodic death metal', 'death metal', 'metal']
                                        'tag_date'  2002
                                     'discogstags'  ['thrash', 'rock']

============================== file details ==============================
                                           'mtime'  1620301874.4896305  (2021-05-06 13:51:14)
                             'size'  11431628