======================== unified (from filesystem) ========================
                                         'bitrate'  '319.979'
                                        'duration'  '398'
                                          'artist'  'Enslaved'
                                     'text_people'  'I. Beersen/R. Grutle'
                                         'release'  'Isa'
                                           'title'  'Bounded by Allegiance'
                                           '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-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'progressive black metal', 'black metal', 'viking metal', "
 "'progressive metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '127.444'
                                             'key'  '8A'
                                        'acoustid'  'd2816a0d-9b47-422b-a729-6485662ea960'
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x00F\x009\x004\x00+\x008\x00B\x00A\x00C\x00+\x00C\x00D\x00F\x004\x00+\x001\x004\x004\x00D\x002\x00+\x001\x00B\x009\x00A\x005\x00+\x001\x00F\x00C\x00C\x009\x00+\x002\x006\x000\x003\x005\x00+\x002\x009\x00F\x00A\x00E\x00+\x003\x007\x002\x002\x005\x00+\x003\x008\x003\x005\x000\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 \x007\x002\x008\x008\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x000\x007\x008\x007\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x002\x008\x008\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x000\x007\x008\x007\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x95¯Y×$\x11)F°UyhXKå\x03'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x95\xafY\xd7$\x11)F\xb0UyhXK\xe5\x03')
'PRIV:WM/WMCollectionID:\x95¯Y×$\x11)F°UyhXKå\x03'  PRIV(owner='WM/WMCollectionID', data=b'\x95\xafY\xd7$\x11)F\xb0UyhXK\xe5\x03')
'PRIV:WM/WMContentID:²\x82,Fô(|K\x8cNu\x93\x92ùß1'  PRIV(owner='WM/WMContentID', data=b'\xb2\x82,F\xf4(|K\x8cNu\x93\x92\xf9\xdf1')
'TALB' (Album/Movie/Show title)                     'Isa'
'TBPM' (BPM (beats per minute))                     '127.444'
'TCOM' (Composer)                                   'I. Beersen/R. Grutle'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2005'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Enslaved'], ['producer', 'Pytten'], ['engineer', 'Pytten'], ['engineer', 'Herbrand Larsen'], ['mix', 'Lars Klokkerhaug'], ['keyboard, organ and piano', 'Herbrand Larsen'], ['bass guitar', 'Grutle Kjellson'], ['drums (drum set)', 'Cato Bekkevold'], ['guitar', 'Arve Isdal'], ['guitar', 'Ivar Bjørnson'], ['vocal', 'Grutle Kjellson']])
'TIT2' (Title/songname/content description)         'Bounded by Allegiance'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '398000'
'TMED' (Media type)                                 'Enhanced CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Enslaved'
'TPE2' (Band/orchestra/accompaniment)               'Enslaved'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Candlelight Records USA'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Enslaved'
'TSOP' (Performer sort order)                       'Enslaved'
'TXXX:ASIN'                                         'B0006UMRKK'
'TXXX:Acoustid Id'                                  'd2816a0d-9b47-422b-a729-6485662ea960'
'TXXX:BARCODE'                                      '803341167124'
'TXXX:CATALOGNUMBER'                                'CDL0152CD'
'TXXX:MusicBrainz Album Artist Id'                  '29bb04d6-5602-464c-8577-f55a27511b27'
'TXXX:MusicBrainz Album Id'                         '4a19993f-c176-3405-b440-ac821b068f93'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29bb04d6-5602-464c-8577-f55a27511b27'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['norwegian',
 'progressive black metal',
 'black metal',
 'viking metal',
 'progressive metal']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.307530'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'38bd8c82-4299-4852-bd2b-6086567fa9db')

========================== row from database ==========================
                                              'id'  1391620
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Enslaved - Isa/05. bounded by allegiance.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  398
                                           'genre'  eid-metal-black
                                        'filesize'  15958783
                                           'mtime'  1620301676
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 05. bounded allegiance eid metal black
                                      'tag_artist'  Enslaved
                                     'tag_release'  Isa
                                       'tag_title'  Bounded by Allegiance
                                             'bpm'  127.444
                                    'search_title'  'allegiance':3 'bounded':1 'by':2
                                   'search_artist'  'enslaved':1
                                  'search_release'  'isa':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '05':3,4 'allegiance':6 'black':9 'bounded':5 'eid':7 'metal':8
                                    'search_combo'  '00dwimp':6 '00metal':7 '05':8,9 'allegiance':3A,11 'black':14 'bounded':1A,10 'by':2A 'eid':12 'enslaved':4B 'isa':5C 'metal':13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           '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-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'progressive black metal', 'black metal', 'viking metal', 'progressive metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301675.7243319  (2021-05-06 13:47:55)
                             'size'  15958783