======================== unified (from filesystem) ========================
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                                        'duration'  '1206'
                                          'artist'  'Pandit Ram Narayan'
                                     'text_people'  ''
                                         'release'  'Sonorous Songs Of Sarangi'
                                           'title'  'Behag; Madhya Laya Gat in Teental'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
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 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['sitar', 'indian', 'sarangi', 'hindustani', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '3'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '143.011'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000003E0 0000049B 00004E35 00003C76 0009AF63 000D5A43 000081CD 00008599 '
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'COMM:iTunes_CDDB_IDs:eng'                          '3+EFC0D9DDFAB9BD1C1F7A1264F3CA67DE+4822336'
'TALB' (Album/Movie/Show title)                     'Sonorous Songs Of Sarangi'
'TBPM' (BPM (beats per minute))                     '143.011'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'Behag; Madhya Laya Gat in Teental'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pandit Ram Narayan'
'TRCK' (Track number/Position in set)               '2/3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['sitar', 'indian', 'sarangi', 'hindustani', 'psychedelic']
'TXXX:q-bass'                                       '1'
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'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.618079'

========================== row from database ==========================
                                              'id'  727299
                                            'path'  /data/Music/Bulk/00localcharacter/Ram Narayan/Sonorous Strings of Sarangi/02 Behag; Madhya Laya Gat in Teental.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1206
                                           'genre'  loc-unsorted
                                        'filesize'  28956744
                                           'mtime'  1620401262
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Strings of 02 loc unsorted
                                      'tag_artist'  Pandit Ram Narayan
                                     'tag_release'  Sonorous Songs Of Sarangi
                                       'tag_title'  Behag; Madhya Laya Gat in Teental
                                             'bpm'  143.011
                                    'search_title'  'behag':1,2 'gat':5 'in':6 'laya':4 'madhya':3 'teental':7
                                   'search_artist'  'narayan':3 'pandit':1 'ram':2
                                  'search_release'  'of':3 'sarangi':4 'songs':2 'sonorous':1
                                     'search_rest'  'loc':3 'of':2 'strings':1 'unsorted':4
                                    'search_combo'  'behag':1A,2A 'gat':5A 'in':6A 'laya':4A 'loc':17 'madhya':3A 'narayan':10B 'of':13C,16 'pandit':8B 'ram':9B 'sarangi':14C 'songs':12C 'sonorous':11C 'strings':15 'teental':7A 'unsorted':18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['sitar', 'indian', 'sarangi', 'hindustani', 'psychedelic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401261.758283  (2021-05-07 17:27:41)
                             'size'  28956744