======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '4421'
                                          'artist'  'Pt. Nikhil Banerjee'
                                     'text_people'  ''
                                         'release'  'The Genius of Pandit Nikhil Banerjee'
                                           'title'  'Raag Rageshree'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indian classical', 'sitar', 'indian', 'hindustani', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '1'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '141.216'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000017C 0000014C 00003F37'
'COMM:iTunNORM:eng'                                 (' 0000017C 0000014C 00003F37 00003007 002E7200 003A8982 00007F51 000077AE '
 '001DFFB1 001DFFB1')
'COMM:iTunes_CDDB_IDs:eng'                          '1+954087BD0F6B1F0C5C1B16B6724F6985+1997913'
'TALB' (Album/Movie/Show title)                     'The Genius of Pandit Nikhil Banerjee'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'Raag Rageshree'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pt. Nikhil Banerjee'
'TPOS' (Part of a set)                              '3'
'TRCK' (Track number/Position in set)               '1/1'
'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:lastfmtags'                                   ['indian classical', 'sitar', 'indian', 'hindustani', 'world']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.980886'

========================== row from database ==========================
                                              'id'  730751
                                            'path'  /data/Music/Bulk/00localcharacter/Nikhil Banerjee/Live Concert Series 3 (Raag Rageshree)/3-01 Raag Rageshree.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  4421
                                           'genre'  loc-asia-india
                                        'filesize'  106116622
                                           'mtime'  1621629753
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Live Concert Series 3 (Raag Rageshree) 3 01 loc asia india
                                      'tag_artist'  Pt. Nikhil Banerjee
                                     'tag_release'  The Genius of Pandit Nikhil Banerjee
                                       'tag_title'  Raag Rageshree
                                             'bpm'  141.216
                                    'search_title'  'raag':1 'rageshree':2
                                   'search_artist'  'banerjee':4 'nikhil':3 'pt':1,2
                                  'search_release'  'banerjee':6 'genius':2 'nikhil':5 'of':3 'pandit':4 'the':1
                                     'search_rest'  '3':4 'asia':10 'concert':2 'india':11 'live':1 'loc':9 'raag':5,6 'rageshree':7,8 'series':3
                                    'search_combo'  '3':16 'asia':22 'banerjee':6B,12C 'concert':14 'genius':8C 'india':23 'live':13 'loc':21 'nikhil':5B,11C 'of':9C 'pandit':10C 'pt':3B,4B 'raag':1A,17,18 'rageshree':2A,19,20 'series':15 'the':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indian classical', 'sitar', 'indian', 'hindustani', 'world']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629753.4555438  (2021-05-21 22:42:33)
                             'size'  106116622