======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '911'
                                          'artist'  'Nageswara Rao'
                                     'text_people'  'Simhendramadyamam'
                                         'release'  "Reflets de L'Inde"
                                           'title'  'Niducharanamule'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['carnatic music', 'indian classical', 'south indian classical music', "
 "'veena', 'south indian music']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '141.413'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000294 000001B0 0000111A'
'COMM:iTunNORM:eng'                                 (' 00000294 000001B0 0000111A 00000AD2 00024A35 00024A35 000046B6 000037EE '
 '0009C445 0009C445')
'TALB' (Album/Movie/Show title)                     "Reflets de L'Inde"
'TBPM' (BPM (beats per minute))                     '141.413'
'TCOM' (Composer)                                   'Simhendramadyamam'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TIT2' (Title/songname/content description)         'Niducharanamule'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nageswara Rao'
'TPE2' (Band/orchestra/accompaniment)               'Nageswara Rao'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/4'
'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:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['carnatic music',
 'indian classical',
 'south indian classical music',
 'veena',
 'south indian music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.672047'

========================== row from database ==========================
                                              'id'  1533357
                                            'path'  /data/Music/Bulk/00localcharacter/Nageswara Rao, Mokkapati/Reflets De L_Inde/04 Niducharanamule.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  911
                                           'genre'  loc-asia-india
                                        'filesize'  22108013
                                           'mtime'  1621627117
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Rao, Mokkapati De L_Inde 04 loc asia india
                                      'tag_artist'  Nageswara Rao
                                     'tag_release'  Reflets de L'Inde
                                       'tag_title'  Niducharanamule
                                             'bpm'  141.413
                                    'search_title'  'niducharanamule':1
                                   'search_artist'  'nageswara':1 'rao':2
                                  'search_release'  'de':2 'inde':4 'l':3 'linde':5 'reflets':1
                                     'search_rest'  'asia':8 'de':4 'inde':6 'india':9 'l':5 'loc':7 'mokkapati':3 'rao':1,2
                                    'search_combo'  'asia':16 'de':5C,12 'inde':7C,14 'india':17 'l':6C,13 'linde':8C 'loc':15 'mokkapati':11 'nageswara':2B 'niducharanamule':1A 'rao':3B,9,10 'reflets':4C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['carnatic music', 'indian classical', 'south indian classical music', 'veena', 'south indian music']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621627116.7506514  (2021-05-21 21:58:36)
                             'size'  22108013