======================== unified (from filesystem) ========================
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                                        'duration'  '280'
                                          'artist'  'Kashgarchi (Bukhari)'
                                     'text_people'  ''
                                         'release'  'In Israel Today vol.1'
                                           'title'  'Kashgarchi Tuichi (Chorus)'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-m-israel'
                                             'bpm'  '100.157'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A10 0000000000BCF3E0 00000000 0055A688 00000000 '
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'TBPM' (BPM (beats per minute))                     '100.157'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-israel'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 10.1'
'TIT2' (Title/songname/content description)         'Kashgarchi Tuichi (Chorus)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kashgarchi (Bukhari)'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
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'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
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'TXXX:q-drums'                                      '1'
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'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.632907'

========================== row from database ==========================
                                              'id'  1238361
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - In Israel Today 1 (Westminster)/8.Kashgarchi Tuichi (Chorus).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  280
                                           'genre'  loc-m-israel
                                        'filesize'  7437194
                                           'mtime'  1620526451
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Deben Bhattacharya (Westminster) 8.Kashgarchi loc m israel
                                      'tag_artist'  Kashgarchi (Bukhari)
                                     'tag_release'  In Israel Today vol.1
                                       'tag_title'  Kashgarchi Tuichi (Chorus)
                                             'bpm'  100.157
                                    'search_title'  'chorus':3,4 'kashgarchi':1 'tuichi':2
                                   'search_artist'  'bukhari':2,3 'kashgarchi':1
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                                    'search_combo'  '00south':14 '1':12C '8':22 '8kashgarchi':24 'bhattacharya':19 'bukhari':6B,7B 'chorus':3A,4A 'deben':18 'east':17 'europe':15 'in':8C 'israel':9C,27 'kashgarchi':1A,5B,23 'loc':25 'm':26 'middle':16 'today':10C 'tuichi':2A 'vol':11C 'vol1':13C 'westminster':20,21
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526450.727684  (2021-05-09 04:14:10)
                             'size'  7437194