======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '73'
                                          'artist'  'Satyricon'
                                     'text_people'  ''
                                         'release'  'Rebel Extravaganza'
                                           'title'  'Down South, Up North'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', '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'  ("['melodic black metal', 'norwegian', 'black metal', 'metal', 'norwegian "
 "black metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '133.228'
                                             'key'  '9A'
                                        'acoustid'  '8e83826f-8cdd-443c-984e-a06cb8750e34'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x003\x00B\x000\x00B\x00+\x00F\x00B\x004\x001\x00+\x001\x007\x000\x004\x000\x00+\x001\x008\x00D\x000\x00A\x00+\x002\x000\x003\x00C\x002\x00+\x002\x007\x001\x001\x005\x00+\x002\x00F\x00A\x00B\x002\x00+\x003\x002\x003\x005\x007\x00+\x003\x009\x008\x009\x00F\x00+\x003\x00A\x00E\x004\x001\x00+\x004\x006\x005\x000\x005\x00\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 \x004\x003\x003\x000\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x003\x003\x008\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x005\x008\x004\x000\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x003\x003\x000\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x003\x003\x008\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x005\x008\x004\x000\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x16Û}À\x99S\\L£Ôè{2û\x8f©'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x16\xdb}\xc0\x99S\\L\xa3\xd4\xe8{2\xfb\x8f\xa9')
'PRIV:WM/WMCollectionID:\x16Û}À\x99S\\L£Ôè{2û\x8f©'  PRIV(owner='WM/WMCollectionID', data=b'\x16\xdb}\xc0\x99S\\L\xa3\xd4\xe8{2\xfb\x8f\xa9')
'PRIV:WM/WMContentID:_\x93eÝàÞÍN\x9aþ[\x9bµÏÆÉ'     PRIV(owner='WM/WMContentID', data=b'_\x93e\xdd\xe0\xde\xcdN\x9a\xfe[\x9b\xb5\xcf\xc6\xc9')
'TALB' (Album/Movie/Show title)                     'Rebel Extravaganza'
'TBPM' (BPM (beats per minute))                     '133.228'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2006-04-21'
'TIT2' (Title/songname/content description)         'Down South, Up North'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Satyricon'
'TPE2' (Band/orchestra/accompaniment)               'Satyricon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Satyricon'
'TSOP' (Performer sort order)                       'Satyricon'
'TXXX:ASIN'                                         'B000F3UAGG'
'TXXX:Acoustid Id'                                  '8e83826f-8cdd-443c-984e-a06cb8750e34'
'TXXX:BARCODE'                                      '727361167523'
'TXXX:CATALOGNUMBER'                                'NB 1675-2'
'TXXX:MusicBrainz Album Artist Id'                  '8eed05a5-e9a1-4dda-8b33-e354c4ecc8b6'
'TXXX:MusicBrainz Album Id'                         'df1c32c4-fb67-4444-bb88-0aed517720db'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8eed05a5-e9a1-4dda-8b33-e354c4ecc8b6'
'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'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['melodic black metal',
 'norwegian',
 'black metal',
 'metal',
 'norwegian black metal']
'TXXX:q-bass'                                       '2'
'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'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.476114'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2a775242-7f86-48d2-bda8-45ffcafb369e')

========================== row from database ==========================
                                              'id'  1396021
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Satyricon - 1999 - Rebel Extravaganza/09 Down South, Up North.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  73
                                           'genre'  eid-metal-black
                                        'filesize'  2101248
                                           'mtime'  1620301772
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 1999 09 eid metal black
                                      'tag_artist'  Satyricon
                                     'tag_release'  Rebel Extravaganza
                                       'tag_title'  Down South, Up North
                                             'bpm'  133.228
                                    'search_title'  'down':1 'north':5 'south':2,3 'up':4
                                   'search_artist'  'satyricon':1
                                  'search_release'  'extravaganza':2 'rebel':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '1999':3 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00dwimp':9 '00metal':10 '1999':11 'black':14 'down':1A 'eid':12 'extravaganza':8C 'metal':13 'north':5A 'rebel':7C 'satyricon':6B 'south':2A,3A 'up':4A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'q-grit-4']
                                      'lastfmtags'  ['melodic black metal', 'norwegian', 'black metal', 'metal', 'norwegian black metal']
                                        'tag_date'  2006
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301772.000628  (2021-05-06 13:49:32)
                             'size'  2101248