======================== unified (from filesystem) ========================
                                         'bitrate'  '145.008'
                                        'duration'  '279'
                                          'artist'  'Asha Bhosle'
                                     'text_people'  ''
                                         'release'  'The Best of Asha Bhosle: The Golden Voice of Bollywood'
                                           'title'  'Do Lafzon Ki Hai Dil Ki Kahani'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'indian', 'bollywood', 'hindi', 'desi']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '142.8'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Best of Asha Bhosle: The Golden Voice of Bollywood'
'TBPM' (BPM (beats per minute))                     '142.8'
'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)         'Do Lafzon Ki Hai Dil Ki Kahani'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Asha Bhosle'
'TRCK' (Track number/Position in set)               '6'
'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'                                   ['world', 'indian', 'bollywood', 'hindi', 'desi']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.465525'

========================== row from database ==========================
                                              'id'  731925
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Best of Asha Bhosle_ The Golden Voic/06 Do Lafzon Ki Hai Dil Ki Kahani.mp3
                                         'working'  None
                                         'bitrate'  145
                                    'duration_sec'  279
                                           'genre'  loc-asia-india
                                        'filesize'  5192519
                                           'mtime'  1621626203
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Bhosle_ 06 loc asia india
                                      'tag_artist'  Asha Bhosle
                                     'tag_release'  The Best of Asha Bhosle: The Golden Voice of Bollywood
                                       'tag_title'  Do Lafzon Ki Hai Dil Ki Kahani
                                             'bpm'  142.8
                                    'search_title'  'dil':5 'do':1 'hai':4 'kahani':6 'ki':3 'lafzon':2
                                   'search_artist'  'asha':1 'bhosle':2
                                  'search_release'  'asha':4 'best':2 'bhosle':5,6 'bollywood':9 'golden':7 'of':3 'the':1 'voice':8
                                     'search_rest'  'asia':3 'bhosle':1 'india':4 'loc':2
                                    'search_combo'  'asha':7B,12C 'asia':20 'best':10C 'bhosle':8B,13C,14C,18 'bollywood':17C 'dil':5A 'do':1A 'golden':15C 'hai':4A 'india':21 'kahani':6A 'ki':3A 'lafzon':2A 'loc':19 'of':11C 'the':9C 'voice':16C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['world', 'indian', 'bollywood', 'hindi', 'desi']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626203.3054776  (2021-05-21 21:43:23)
                             'size'  5192519