======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '197'
                                          'artist'  'Lata Mangeshkar'
                                     'text_people'  ''
                                         'release'  'Bollywood for the Skeptical'
                                           'title'  'Mere Ghar Aayi Ek'
                                           '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['india', 'indian', 'bollywood', 'hindi', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '117.945'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000432 000003BB 0000128C 00'
'COMM:iTunNORM:eng'                                 (' 00000432 000003BB 0000128C 000010F3 000186CE 000186CE 0000408E 00003C1E '
 '0002230E 000186B7')
'TALB' (Album/Movie/Show title)                     'Bollywood for the Skeptical'
'TBPM' (BPM (beats per minute))                     '117.945'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Mere Ghar Aayi Ek'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Lata Mangeshkar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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:lastfmtags'                                   ['india', 'indian', 'bollywood', 'hindi', 'world']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.546899'

========================== row from database ==========================
                                              'id'  790952
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Bollywood for the Skeptical/09 - Mere Ghar Aayi Ek.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  197
                                           'genre'  loc-asia-india
                                        'filesize'  3158017
                                           'mtime'  1621626189
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge 09 loc asia india
                                      'tag_artist'  Lata Mangeshkar
                                     'tag_release'  Bollywood for the Skeptical
                                       'tag_title'  Mere Ghar Aayi Ek
                                             'bpm'  117.945
                                    'search_title'  'aayi':3 'ek':4 'ghar':2 'mere':1
                                   'search_artist'  'lata':1 'mangeshkar':2
                                  'search_release'  'bollywood':1 'for':2 'skeptical':4 'the':3
                                     'search_rest'  'asia':7 'country':4 'exotica':2 'india':8 'jazz':1 'loc':6 'lounge':5 'oldies':3
                                    'search_combo'  'aayi':3A 'asia':17 'bollywood':7C 'country':14 'ek':4A 'exotica':12 'for':8C 'ghar':2A 'india':18 'jazz':11 'lata':5B 'loc':16 'lounge':15 'mangeshkar':6B 'mere':1A 'oldies':13 'skeptical':10C 'the':9C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['india', 'indian', 'bollywood', 'hindi', 'world']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626189.1662357  (2021-05-21 21:43:09)
                             'size'  3158017