======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '109'
                                          'artist'  'Dismember'
                                     'text_people'  'Sweden'
                                         'release'  'Death Metal'
                                           'title'  'Killing Compassion'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'old school death metal', 'swedish death metal', 'death metal', "
 "'metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '16'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '144.645'
                                             'key'  '6A'
                                        'acoustid'  '2dfba1c1-3bc7-4d77-8253-ad2aa7661f7e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'ADSL Downloads'
'COMM:Songs-DB_Custom1:XXX'                         'Sweden'
'COMM:Songs-DB_Custom5:XXX'                         '(2) Dismember; iTunes 0 Stars'
'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 \x003\x001\x000\x009\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x008\x004\x002\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x005\x002\x005\x009\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x001\x000\x009\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x008\x004\x002\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x005\x002\x005\x009\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x91ãäuø\x0b2O\x98\x86\x13\n*\x12Ó`'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x91\xe3\xe4u\xf8\x0b2O\x98\x86\x13\n*\x12\xd3`')
'PRIV:WM/WMCollectionID:\x91ãäuø\x0b2O\x98\x86\x13\n*\x12Ó`'  PRIV(owner='WM/WMCollectionID', data=b'\x91\xe3\xe4u\xf8\x0b2O\x98\x86\x13\n*\x12\xd3`')
'PRIV:WM/WMContentID:Õü±Ø~¤çN¾ÁnZ\x1c4gß'           PRIV(owner='WM/WMContentID', data=b'\xd5\xfc\xb1\xd8~\xa4\xe7N\xbe\xc1nZ\x1c4g\xdf')
'TALB' (Album/Movie/Show title)                     'Death Metal'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCOM' (Composer)                                   'Sweden'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Killing Compassion'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dismember'
'TPE2' (Band/orchestra/accompaniment)               'Dismember'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Regain Records'
'TRCK' (Track number/Position in set)               '7/16'
'TSO2'                                              'Dismember'
'TSOP' (Performer sort order)                       'Dismember'
'TXXX:ASIN'                                         'B0009OO43G'
'TXXX:Acoustid Id'                                  '2dfba1c1-3bc7-4d77-8253-ad2aa7661f7e'
'TXXX:BARCODE'                                      '7320470056257'
'TXXX:CATALOGNUMBER'                                'RR 065'
'TXXX:MusicBrainz Album Artist Id'                  '49c15d5f-469e-469c-ae94-89e8d31106dd'
'TXXX:MusicBrainz Album Id'                         'e423a3e9-208b-348c-a28c-7a6821a157b1'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '49c15d5f-469e-469c-ae94-89e8d31106dd'
'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:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['swedish',
 'old school death metal',
 'swedish death metal',
 'death metal',
 'metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.33 dB'
'TXXX:replaygain_track_peak'                        '0.137862'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c83b76f2-176b-4089-afdc-a401f21f1d22')
'WCOM:http://www.amazon.com/gp/product/B000000H24%3ftag=softpointer-20%26link_code=xm2%26camp=2025%26dev-t=D17H5OIRRQ5XUC'  WCOM(url='http://www.amazon.com/gp/product/B000000H24%3ftag=softpointer-20%26link_code=xm2%26camp=2025%26dev-t=D17H5OIRRQ5XUC')

========================== row from database ==========================
                                              'id'  1392072
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Dismember - 1997 - Death Metal/07 - Dismember - Killing Compassion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  109
                                           'genre'  eid-metal-death
                                        'filesize'  2658199
                                           'mtime'  1636301089
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death 1997 07 eid metal death
                                      'tag_artist'  Dismember
                                     'tag_release'  Death Metal
                                       'tag_title'  Killing Compassion
                                             'bpm'  144.645
                                    'search_title'  'compassion':2 'killing':1
                                   'search_artist'  'dismember':1
                                  'search_release'  'death':1 'metal':2
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 '1997':4 'death':7 'eid':5 'metal':6
                                    'search_combo'  '00death':8 '00dwimp':6 '00metal':7 '1997':9 'compassion':2A 'death':4C,12 'dismember':3B 'eid':10 'killing':1A 'metal':5C,11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'old school death metal', 'swedish death metal', 'death metal', 'metal']
                                        'tag_date'  2005
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1636301088.7719347  (2021-11-07 17:04:48)
                             'size'  2658199