======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '175'
                                          'artist'  'Malka Jan'
                                     'text_people'  ''
                                         'release'  'Vintage Music From India'
                                           'title'  'Maro Pichkari'
                                           '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['hindustani', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '24'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '144.541'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000176 00000180 00002654'
'COMM:iTunNORM:eng'                                 (' 00000176 00000180 00002654 0000270A 0002698D 0002698D 00006352 000064A4 '
 '00018492 00018492')
'COMM:iTunes_CDDB_IDs:eng'                          '24+11A5ED80E861667E422017C0A46D292E+920716'
'TALB' (Album/Movie/Show title)                     'Vintage Music From India'
'TBPM' (BPM (beats per minute))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'Maro Pichkari'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Malka Jan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/24'
'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'                                  ['hindustani', 'folk, world, & country']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.785559'

========================== row from database ==========================
                                              'id'  1397520
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Vintage Music From India/04 Maro Pichkari.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  175
                                           'genre'  loc-asia-india
                                        'filesize'  4225255
                                           'mtime'  1621627013
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 04 loc asia india
                                      'tag_artist'  Malka Jan
                                     'tag_release'  Vintage Music From India
                                       'tag_title'  Maro Pichkari
                                             'bpm'  144.541
                                    'search_title'  'maro':1 'pichkari':2
                                   'search_artist'  'jan':2 'malka':1
                                  'search_release'  'from':3 'india':4 'music':2 'vintage':1
                                     'search_rest'  '00asia':1 'asia':3 'india':4 'loc':2
                                    'search_combo'  '00asia':9 'asia':11 'from':7C 'india':8C,12 'jan':4B 'loc':10 'malka':3B 'maro':1A 'music':6C 'pichkari':2A 'vintage':5C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1993
                                     'discogstags'  ['hindustani', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621627013.3550224  (2021-05-21 21:56:53)
                             'size'  4225255