======================== unified (from filesystem) ========================
                                         'bitrate'  '235.684'
                                        'duration'  '518'
                                          'artist'  'Mehbooba Band'
                                     'text_people'  ''
                                         'release'  'Fanfare de Calcutta'
                                           'title'  'Tomar hridaya range bharaa'
                                           '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-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  ("['field recording', 'folk, world, & country', 'folk', 'marches', 'brass & "
 "military']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '146.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fanfare de Calcutta'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Tomar hridaya range bharaa'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mehbooba Band'
'TRCK' (Track number/Position in set)               '08/11'
'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'                                  ['field recording',
 'folk, world, & country',
 'folk',
 'marches',
 'brass & military']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+6.32 dB'
'TXXX:replaygain_track_peak'                        '0.886936'

========================== row from database ==========================
                                              'id'  727308
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Mehbooba Band/Fanfare de Calcutta/08-Tomar hridaya range bharaa.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  518
                                           'genre'  loc-asia-india
                                        'filesize'  15287809
                                           'mtime'  1621626198
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 08 loc asia india
                                      'tag_artist'  Mehbooba Band
                                     'tag_release'  Fanfare de Calcutta
                                       'tag_title'  Tomar hridaya range bharaa
                                             'bpm'  146.0
                                    'search_title'  'bharaa':4 'hridaya':2 'range':3 'tomar':1
                                   'search_artist'  'band':2 'mehbooba':1
                                  'search_release'  'calcutta':3 'de':2 'fanfare':1
                                     'search_rest'  'asia':2 'india':3 'loc':1
                                    'search_combo'  'asia':11 'band':6B 'bharaa':4A 'calcutta':9C 'de':8C 'fanfare':7C 'hridaya':2A 'india':12 'loc':10 'mehbooba':5B 'range':3A 'tomar':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  ['field recording', 'folk, world, & country', 'folk', 'marches', 'brass & military']

============================== file details ==============================
                                           'mtime'  1621626197.7152317  (2021-05-21 21:43:17)
                             'size'  15287809