======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'Mors Principium Est'
                                     'text_people'  'Jori Haukio/Viljanen'
                                         'release'  'Inhumanity'
                                           'title'  'Life In Black'
                                           '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-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'melodic death metal', 'death metal', 'finnish metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '110'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'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\x004\x006\x003\x005\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x006\x000\x009\x004\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x003\x006\x005\x006\x009\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x004\x006\x003\x005\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x006\x000\x009\x004\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x003\x006\x005\x006\x009\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:é*\x97T\x90`\x8aM¼Ç5GÜr£s'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xe9*\x97T\x90`\x8aM\xbc\xc75G\xdcr\xa3s')
'PRIV:WM/WMCollectionID:é*\x97T\x90`\x8aM¼Ç5GÜr£s'  PRIV(owner='WM/WMCollectionID', data=b'\xe9*\x97T\x90`\x8aM\xbc\xc75G\xdcr\xa3s')
'PRIV:WM/WMContentID:\x12\t%ÃYê\x10J\x92ðkäQ¿*\\'   PRIV(owner='WM/WMContentID', data=b'\x12\t%\xc3Y\xea\x10J\x92\xf0k\xe4Q\xbf*\\')
'TALB' (Album/Movie/Show title)                     'Inhumanity'
'TBPM' (BPM (beats per minute))                     '110'
'TCOM' (Composer)                                   'Jori Haukio/Viljanen'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Life In Black'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mors Principium Est'
'TPE2' (Band/orchestra/accompaniment)               'Mors Principium Est'
'TPUB' (Publisher)                                  'The End'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['metal', 'melodic death metal', 'death metal', 'finnish metal', 'finnish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-1.81 dB'
'TXXX:replaygain_track_peak'                        '0.371358'

========================== row from database ==========================
                                              'id'  1400923
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Mors Principium Est/Inhumanity/Mors Principium Est-Inhumanity-Life In Black.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  eid-metal-death
                                        'filesize'  5277568
                                           'mtime'  1620302078
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal death
                                      'tag_artist'  Mors Principium Est
                                     'tag_release'  Inhumanity
                                       'tag_title'  Life In Black
                                             'bpm'  110.0
                                    'search_title'  'black':3 'in':2 'life':1
                                   'search_artist'  'est':3 'mors':1 'principium':2
                                  'search_release'  'inhumanity':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':8 '00metal':9 'black':3A 'death':12 'eid':10 'est':6B 'in':2A 'inhumanity':7C 'life':1A 'metal':11 'mors':4B 'principium':5B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'melodic death metal', 'death metal', 'finnish metal', 'finnish']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302078.3465867  (2021-05-06 13:54:38)
                             'size'  5277568