======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'Lata Mangeshkar'
                                     'text_people'  ''
                                         'release'  'Anmol Ratan'
                                           'title'  'Yeh Shaam Ki Tanhaiyan'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['india', 'indian', 'bollywood', 'hindi', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-india;soundtrack-video'
                                             'bpm'  '104.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Aah'
'PRIV:AverageLevel:`\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'`\x17\x00\x00')
'PRIV:PeakValue:¤|\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa4|\x00\x00')
'TALB' (Album/Movie/Show title)                     'Anmol Ratan'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-india', 'soundtrack-video']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Yeh Shaam Ki Tanhaiyan'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lata Mangeshkar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['india', 'indian', 'bollywood', 'hindi', 'world']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-6.37 dB'
'TXXX:replaygain_track_peak'                        '0.973776'

========================== row from database ==========================
                                              'id'  1481703
                                            'path'  /data/Music/Bulk/00poprockelectronic/various - oldies from the melodious age (ammol ratan collection)/Yeh Shaam Ki Tanhaiyan - Aah.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  loc-asia-india;soundtrack-video
                                        'filesize'  3224868
                                           'mtime'  1621627390
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic various oldies from the melodious age (ammol ratan collection) Aah loc asia india;soundtrack video
                                      'tag_artist'  Lata Mangeshkar
                                     'tag_release'  Anmol Ratan
                                       'tag_title'  Yeh Shaam Ki Tanhaiyan
                                             'bpm'  104.7
                                    'search_title'  'ki':3 'shaam':2 'tanhaiyan':4 'yeh':1
                                   'search_artist'  'lata':1 'mangeshkar':2
                                  'search_release'  'anmol':1 'ratan':2
                                     'search_rest'  '00poprockelectronic':1 'aah':13 'age':7 'ammol':8,9 'asia':15 'collection':11,12 'from':4 'india':16,18 'loc':14 'melodious':6 'oldies':3 'ratan':10 'soundtrack':17,19 'the':5 'various':2 'video':20
                                    'search_combo'  '00poprockelectronic':9 'aah':21 'age':15 'ammol':16,17 'anmol':7C 'asia':23 'collection':19,20 'from':12 'india':24,26 'ki':3A 'lata':5B 'loc':22 'mangeshkar':6B 'melodious':14 'oldies':11 'ratan':8C,18 'shaam':2A 'soundtrack':25,27 'tanhaiyan':4A 'the':13 'various':10 'video':28 'yeh':1A
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['india', 'indian', 'bollywood', 'hindi', 'world']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627390.2220824  (2021-05-21 22:03:10)
                             'size'  3224868