======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '639'
                                          'artist'  'Fall of Efrafa'
                                     'text_people'  ''
                                         'release'  'Owsla'
                                           'title'  'Last but Not Least'
                                           '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-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'hardcore', 'neocrust', 'crust', 'post metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust;eid-metal'
                                             'bpm'  '131.584'
                                             'key'  '5A'
                                        'acoustid'  'ee4ff9ef-cba4-42d2-b776-c6cf2dc569aa'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000780 00000873 00004246'
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x001\x001\x00C\x005\x00+\x008\x000\x006\x00E\x00+\x00C\x00B\x00B\x008\x00+\x00E\x00B\x00D\x00A\x00+\x001\x00A\x007\x004\x004\x00+\x002\x00A\x00C\x007\x006\x00+\x003\x008\x000\x000\x00A\x00\x00\x00')
'PRIV:AverageLevel:{\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x19\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Owsla'
'TBPM' (BPM (beats per minute))                     '131.584'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-crust', 'eid-metal']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Last but Not Least'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '639706'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Fall of Efrafa'
'TPE2' (Band/orchestra/accompaniment)               'Fall of Efrafa'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  ('Folklore de la Zone Mondiale/Halo of Flies/Deskontento Records/Fight for '
 'Your Mind')
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'Fall of Efrafa'
'TSOP' (Performer sort order)                       'Fall of Efrafa'
'TXXX:Acoustid Id'                                  'ee4ff9ef-cba4-42d2-b776-c6cf2dc569aa'
'TXXX:CATALOGNUMBER'                                'FZM 029/HAL 04'
'TXXX:MusicBrainz Album Artist Id'                  '587f6c33-54bb-4bb1-8136-15054b32b5c8'
'TXXX:MusicBrainz Album Id'                         'f9db22f5-fa37-3818-a883-96584dc26e00'
'TXXX:MusicBrainz Album Release Country'            'ES'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '587f6c33-54bb-4bb1-8136-15054b32b5c8'
'TXXX:MusicBrainz Release Group Id'                 '99f25dd0-837b-3682-bbb6-132b4255691e'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['sludge', 'hardcore', 'neocrust', 'crust', 'post metal']
'TXXX:q-bass'                                       '4'
'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'                        '+8.98 dB'
'TXXX:replaygain_track_peak'                        '0.180139'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'84ecad6b-3c16-4cfa-af4a-9e6c66b1daee')

========================== row from database ==========================
                                              'id'  1393046
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Fall of efrafa/05 - the fall of efrafa.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  639
                                           'genre'  eid-metal-crust;eid-metal
                                        'filesize'  25642282
                                           'mtime'  1620310537
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal efrafa 05 the fall efrafa eid metal crust;eid metal
                                      'tag_artist'  Fall of Efrafa
                                     'tag_release'  Owsla
                                       'tag_title'  Last but Not Least
                                             'bpm'  131.584
                                    'search_title'  'but':2 'last':1 'least':4 'not':3
                                   'search_artist'  'efrafa':3 'fall':1 'of':2
                                  'search_release'  'owsla':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'crust':8,10 'efrafa':3 'eid':6,9,11 'fall':5 'metal':7 'the':4
                                    'search_combo'  '00dwimp':9 '00metal':10 'but':2A 'crust':16,18 'efrafa':7B,11 'eid':14,17,19 'fall':5B,13 'last':1A 'least':4A 'metal':15 'not':3A 'of':6B 'owsla':8C 'the':12
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'hardcore', 'neocrust', 'crust', 'post metal']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310537.1227603  (2021-05-06 16:15:37)
                             'size'  25642282