======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '198'
                                          'artist'  'Venom'
                                     'text_people'  'Conrad Lant/Jeff Dunn/Tony Bray'
                                         'release'  'Black Metal'
                                           'title'  "Don't Burn the Witch"
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '97.741'
                                             'key'  '12A'
                                        'acoustid'  '401bb121-e7ff-4b1f-8792-1093170040e7'
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 \x00 \x002\x001\x001\x003\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x000\x003\x009\x007\x001\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x002\x001\x001\x003\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x000\x003\x009\x007\x001\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x97\x05Û¨Ó9*D\x88"=UE EA'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x97\x05\xdb\xa8\xd39*D\x88"=UE EA')
'PRIV:WM/WMCollectionID:\x97\x05Û¨Ó9*D\x88"=UE EA'  PRIV(owner='WM/WMCollectionID', data=b'\x97\x05\xdb\xa8\xd39*D\x88"=UE EA')
'PRIV:WM/WMContentID:S\x8bQuSÌñG·ñ\x19\x96ä\x9a)\x85'  PRIV(owner='WM/WMContentID', data=b'S\x8bQuS\xcc\xf1G\xb7\xf1\x19\x96\xe4\x9a)\x85')
'TALB' (Album/Movie/Show title)                     'Black Metal'
'TBPM' (BPM (beats per minute))                     '97.741'
'TCOM' (Composer)                                   'Conrad Lant/Jeff Dunn/Tony Bray'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1982'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Don't Burn the Witch"
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Venom'
'TPE2' (Band/orchestra/accompaniment)               'Venom'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sanctuary Records'
'TRCK' (Track number/Position in set)               '10/20'
'TSO2'                                              'Venom'
'TSOP' (Performer sort order)                       'Venom'
'TSRC' (ISRC (international standard recording code))  'GBAJE8200121'
'TXXX:Acoustid Id'                                  '401bb121-e7ff-4b1f-8792-1093170040e7'
'TXXX:BARCODE'                                      '823107300428'
'TXXX:CATALOGNUMBER'                                '82310-73004-2'
'TXXX:MusicBrainz Album Artist Id'                  'd2ad8774-9173-4970-8427-06b04df201c1'
'TXXX:MusicBrainz Album Id'                         '448318ac-2545-4a93-977f-af0ec56daded'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd2ad8774-9173-4970-8427-06b04df201c1'
'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'                                   ['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.687082'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e6ec3d46-4719-4966-baad-42995ac23ec9')

========================== row from database ==========================
                                              'id'  1517546
                                            'path'  /data/Music/Bulk/00dwimp/00metal/venom-black metal/10-Don_t Burn The Witch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  198
                                           'genre'  eid-metal-black
                                        'filesize'  7926973
                                           'mtime'  1620301850
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal venom black metal 10 Don_t The eid metal black
                                      'tag_artist'  Venom
                                     'tag_release'  Black Metal
                                       'tag_title'  Don't Burn the Witch
                                             'bpm'  97.741
                                    'search_title'  'burn':4 'don':1 'dont':3 't':2 'the':5 'witch':6
                                   'search_artist'  'venom':1
                                  'search_release'  'black':1 'metal':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':4 'don':6 'eid':9 'metal':5 't':7 'the':8 'venom':3
                                    'search_combo'  '00dwimp':10 '00metal':11 'black':8C,13 'burn':4A 'don':1A,15 'dont':3A 'eid':18 'metal':9C,14 't':2A,16 'the':5A,17 'venom':7B,12 'witch':6A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301849.8719773  (2021-05-06 13:50:49)
                             'size'  7926973