======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '216'
                                          'artist'  'Mohammed Rafi'
                                     'text_people'  ''
                                         'release'  'Anmol Ratan'
                                           'title'  'Koi Sagar Dil Ko Bahlata Nahin'
                                           '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-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['soundtrack', 'rafi', 'indian', 'bollywood', 'hindi']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-india;soundtrack-video'
                                             'bpm'  '126.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Dil Diya Dard Liya'
'TALB' (Album/Movie/Show title)                     'Anmol Ratan'
'TBPM' (BPM (beats per minute))                     '126.4'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-india', 'soundtrack-video']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Koi Sagar Dil Ko Bahlata Nahin'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mohammed Rafi'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '29'
'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'                                   ['soundtrack', 'rafi', 'indian', 'bollywood', 'hindi']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-6.77 dB'
'TXXX:replaygain_track_peak'                        '0.972823'

========================== row from database ==========================
                                              'id'  1481812
                                            'path'  /data/Music/Bulk/00poprockelectronic/various - oldies from the melodious age (ammol ratan collection)/Koi Sagar Dil Ko Bahlata Nahin - Dil Diya Dard Liya .mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  216
                                           'genre'  loc-asia-india;soundtrack-video
                                        'filesize'  3459720
                                           'mtime'  1621626938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic various oldies from the melodious age (ammol ratan collection) Diya Dard Liya loc asia india;soundtrack video
                                      'tag_artist'  Mohammed Rafi
                                     'tag_release'  Anmol Ratan
                                       'tag_title'  Koi Sagar Dil Ko Bahlata Nahin
                                             'bpm'  126.4
                                    'search_title'  'bahlata':5 'dil':3 'ko':4 'koi':1 'nahin':6 'sagar':2
                                   'search_artist'  'mohammed':1 'rafi':2
                                  'search_release'  'anmol':1 'ratan':2
                                     'search_rest'  '00poprockelectronic':1 'age':7 'ammol':8,9 'asia':17 'collection':11,12 'dard':14 'diya':13 'from':4 'india':18,20 'liya':15 'loc':16 'melodious':6 'oldies':3 'ratan':10 'soundtrack':19,21 'the':5 'various':2 'video':22
                                    'search_combo'  '00poprockelectronic':11 'age':17 'ammol':18,19 'anmol':9C 'asia':27 'bahlata':5A 'collection':21,22 'dard':24 'dil':3A 'diya':23 'from':14 'india':28,30 'ko':4A 'koi':1A 'liya':25 'loc':26 'melodious':16 'mohammed':7B 'nahin':6A 'oldies':13 'rafi':8B 'ratan':10C,20 'sagar':2A 'soundtrack':29,31 'the':15 'various':12 'video':32
                                    'tag_tracknum'  29
                                      '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-1']
                                      'lastfmtags'  ['soundtrack', 'rafi', 'indian', 'bollywood', 'hindi']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626938.1542537  (2021-05-21 21:55:38)
                             'size'  3459720