======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '234'
                                          'artist'  'Charanjit Singh'
                                     'text_people'  'Rahul Dev Burman'
                                         'release'  'Instrumental Film Tunes'
                                           'title'  'Lekar Ham Diwana Dil (Film Yaadon Ki Baaraat)'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '141.216'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000832 00000D3D 000027AA'
'COMM:iTunNORM:eng'                                 (' 00000832 00000D3D 000027AA 00003F58 00025E6D 00025E6D 000053E4 00006175 '
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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A70 00000000009DDB00 00000000 0055DB98 00000000 '
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'TALB' (Album/Movie/Show title)                     'Instrumental Film Tunes'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCOM' (Composer)                                   'Rahul Dev Burman'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'iTunes 11.1.1'
'TIT2' (Title/songname/content description)         'Lekar Ham Diwana Dil (Film Yaadon Ki Baaraat)'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Charanjit Singh'
'TPE2' (Band/orchestra/accompaniment)               'Charanjit Singh'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Odeon'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Singh, Charanjit'
'TSOP' (Performer sort order)                       'Singh, Charanjit'
'TXXX:CATALOGNUMBER'                                'S/MOCE.4204'
'TXXX:MusicBrainz Album Artist Id'                  'e52b6000-7cee-42d0-af6c-771cf42a7c49'
'TXXX:MusicBrainz Album Id'                         'ae35addf-5374-4e4d-8b0f-7cb2f654af82'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e52b6000-7cee-42d0-af6c-771cf42a7c49'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['easy listening',
 'instrumental',
 'jazz',
 'latin',
 'funk / soul',
 'blues',
 'folk, world, & country']
'TXXX:lastfmtags'                                   ['acid house', 'acid', 'electronic', 'experimental', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.449221'
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========================== row from database ==========================
                                              'id'  927869
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Charanjit Singh - Instrumental Film Tunes (1974)/10 Lekar Ham Diwana Dil - Transicord (Yaadon Ki Baaraat).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  234
                                           'genre'  loc-asia-india
                                        'filesize'  6623002
                                           'mtime'  1621629132
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia (1974) 10 Transicord (Yaadon loc asia india
                                      'tag_artist'  Charanjit Singh
                                     'tag_release'  Instrumental Film Tunes
                                       'tag_title'  Lekar Ham Diwana Dil (Film Yaadon Ki Baaraat)
                                             'bpm'  141.216
                                    'search_title'  'baaraat':9,10 'dil':4 'diwana':3 'film':5,6 'ham':2 'ki':8 'lekar':1 'yaadon':7
                                   'search_artist'  'charanjit':1 'singh':2
                                  'search_release'  'film':2 'instrumental':1 'tunes':3
                                     'search_rest'  '00asia':1 '1974':2,3 'asia':8 'india':9 'loc':7 'transicord':4 'yaadon':5,6
                                    'search_combo'  '00asia':16 '1974':17,18 'asia':23 'baaraat':9A,10A 'charanjit':11B 'dil':4A 'diwana':3A 'film':5A,6A,14C 'ham':2A 'india':24 'instrumental':13C 'ki':8A 'lekar':1A 'loc':22 'singh':12B 'transicord':19 'tunes':15C 'yaadon':7A,20,21
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['acid house', 'acid', 'electronic', 'experimental', 'disco']
                                        'tag_date'  1974
                                     'discogstags'  ['easy listening', 'instrumental', 'jazz', 'latin', 'funk / soul', 'blues', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629132.4813287  (2021-05-21 22:32:12)
                             'size'  6623002