======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '2531'
                                          'artist'  'Kamalesh Maitra'
                                     'text_people'  ''
                                         'release'  'Tarang'
                                           'title'  'Charukeshi'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['percussion', 'indian classical', 'indian', 'india', 'tabla']"
                                     'discogstags'  "['indian classical', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '3'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '137.9'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tarang'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TIT2' (Title/songname/content description)         'Charukeshi'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kamalesh Maitra'
'TRCK' (Track number/Position in set)               '2/3'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 192 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['indian classical', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['percussion', 'indian classical', 'indian', 'india', 'tabla']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.88 dB'
'TXXX:replaygain_track_peak'                        '0.995953'

========================== row from database ==========================
                                              'id'  727672
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Maitra, Pandit Kamalesh/Tarang/02 Charukeshi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  2531
                                           'genre'  loc-asia-india
                                        'filesize'  60755177
                                           'mtime'  1621628826
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Maitra, Pandit 02 loc asia india
                                      'tag_artist'  Kamalesh Maitra
                                     'tag_release'  Tarang
                                       'tag_title'  Charukeshi
                                             'bpm'  137.9
                                    'search_title'  'charukeshi':1
                                   'search_artist'  'kamalesh':1 'maitra':2
                                  'search_release'  'tarang':1
                                     'search_rest'  'asia':5 'india':6 'loc':4 'maitra':1,2 'pandit':3
                                    'search_combo'  'asia':9 'charukeshi':1A 'india':10 'kamalesh':2B 'loc':8 'maitra':3B,5,6 'pandit':7 'tarang':4C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['percussion', 'indian classical', 'indian', 'india', 'tabla']
                                        'tag_date'  
                                     'discogstags'  ['indian classical', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628826.2243333  (2021-05-21 22:27:06)
                             'size'  60755177