======================== unified (from filesystem) ========================
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                                        'duration'  '118'
                                          'artist'  'Bukhara'
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                                         'release'  'In Israel Today vol.1'
                                           'title'  'Herati melody on Tambur'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-m-israel'
                                             'bpm'  '122.068'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008AA 00000000004FC346 00000000 002420FB 00000000 '
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'TALB' (Album/Movie/Show title)                     'In Israel Today vol.1'
'TBPM' (BPM (beats per minute))                     '122.068'
'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)         'Herati melody on Tambur'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bukhara'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+1.88 dB'
'TXXX:replaygain_track_peak'                        '0.639681'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - In Israel Today 1 (Westminster)/7.Herati melody on Tambur.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  118
                                           'genre'  loc-m-israel
                                        'filesize'  4191701
                                           'mtime'  1620526449
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Deben Bhattacharya (Westminster) 7.Herati loc israel
                                      'tag_artist'  Bukhara
                                     'tag_release'  In Israel Today vol.1
                                       'tag_title'  Herati melody on Tambur
                                             'bpm'  122.068
                                    'search_title'  'herati':1 'melody':2 'on':3 'tambur':4
                                   'search_artist'  'bukhara':1
                                  'search_release'  '1':5 'in':1 'israel':2 'today':3 'vol':4 'vol1':6
                                     'search_rest'  '00south':1 '7':9 '7herati':11 'bhattacharya':6 'deben':5 'east':4 'europe':2 'herati':10 'israel':13 'loc':12 'middle':3 'westminster':7,8
                                    'search_combo'  '00south':12 '1':10C '7':20 '7herati':22 'bhattacharya':17 'bukhara':5B 'deben':16 'east':15 'europe':13 'herati':1A,21 'in':6C 'israel':7C,24 'loc':23 'melody':2A 'middle':14 'on':3A 'tambur':4A 'today':8C 'vol':9C 'vol1':11C 'westminster':18,19
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526449.0922613  (2021-05-09 04:14:09)
                             'size'  4191701