======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '564'
                                          'artist'  'Zenlu'
                                     'text_people'  ''
                                         'release'  'An Anthology of Chinese Experimental Music 1992-2008'
                                           'title'  'Zen'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chinese', 'electronic', 'experimental', 'dark ambient', 'china']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-asia-china'
                                             'bpm'  '112.134'
                                             'key'  '6A'
                                        'acoustid'  'b91675ae-7057-4f6f-9bfb-d37af3ce0fde'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001022 00001918 0000FA12 00012D38 0004FDA7 0004FCD6 00008B58 00008BA3 '
 '0003C6A1 0003CF68')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000840 00000000017ABBB0 00000000 00CE0F06 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+1064203E5749CE08D576A362EA8F2EBC+13560480'
'TALB' (Album/Movie/Show title)                     'An Anthology of Chinese Experimental Music 1992-2008'
'TBPM' (BPM (beats per minute))                     '112.134'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-china'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 8.0.1'
'TIT2' (Title/songname/content description)         'Zen'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Zenlu'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'Sub Rosa'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Zenlu'
'TXXX:ASIN'                                         'B002D1A9J6'
'TXXX:Acoustid Id'                                  'b91675ae-7057-4f6f-9bfb-d37af3ce0fde'
'TXXX:Artists'                                      'Zenlu'
'TXXX:BARCODE'                                      '5411867112655'
'TXXX:CATALOGNUMBER'                                'SR265'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4b84425b-443a-44ed-b856-c5d4b6c8bdda'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '9b9d7c6d-2ec0-452e-8e87-9df6e745eecc'
'TXXX:MusicBrainz Release Group Id'                 '716acd0d-4b59-4612-9f60-16f4fd5b853f'
'TXXX:MusicBrainz Release Track Id'                 '876e937b-f424-3504-81b6-f47557692e4d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['chinese', 'electronic', 'experimental', 'dark ambient', 'china']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.325450'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9f37f1e6-744b-4dcb-9b96-9a777495af1c')

========================== row from database ==========================
                                              'id'  928917
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/An Anthology Of Chinese Experimental Music 1992-2008/02 Zenlu - Zen.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  564
                                           'genre'  loc-asia-china
                                        'filesize'  13633970
                                           'mtime'  1621629105
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Of 02 loc asia china
                                      'tag_artist'  Zenlu
                                     'tag_release'  An Anthology of Chinese Experimental Music 1992-2008
                                       'tag_title'  Zen
                                             'bpm'  112.134
                                    'search_title'  'zen':1
                                   'search_artist'  'zenlu':1
                                  'search_release'  '1992':7 '19922008':9 '2008':8 'an':1 'anthology':2 'chinese':4 'experimental':5 'music':6 'of':3
                                     'search_rest'  '00asia':1 'asia':4 'china':5 'loc':3 'of':2
                                    'search_combo'  '00asia':12 '1992':9C '19922008':11C '2008':10C 'an':3C 'anthology':4C 'asia':15 'china':16 'chinese':6C 'experimental':7C 'loc':14 'music':8C 'of':5C,13 'zen':1A 'zenlu':2B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chinese', 'electronic', 'experimental', 'dark ambient', 'china']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629105.11572  (2021-05-21 22:31:45)
                             'size'  13633970