======================== unified (from filesystem) ========================
                                         'bitrate'  '267.393'
                                        'duration'  '309'
                                          'artist'  'Deben Bhattacharya, editor'
                                     'text_people'  ''
                                         'release'  'Classical Ragas from India'
                                           'title'  'Side 1 - 01 - Sindh-Bhairavi (Sarod)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
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 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '125.782'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'collected by Mr. Bhattacharya..no reference to the players'
'COMM:ID3v1 Comment:XXX'                            'collected by Mr. Bhattachary'
'TALB' (Album/Movie/Show title)                     'Classical Ragas from India'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1968'
'TENC' (Encoded by)                                 'LP - Wav - WinLAME extreme preset to mp3'
'TIT2' (Title/songname/content description)         'Side 1 - 01 - Sindh-Bhairavi (Sarod)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deben Bhattacharya, editor'
'TRCK' (Track number/Position in set)               '01'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.97 dB'
'TXXX:replaygain_track_peak'                        '0.677568'

========================== row from database ==========================
                                              'id'  1237722
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - Classical Ragas of India (LS 86053)/Deben Bhattacharya - Classical Ragas of India (1968) - Side 1 - 01 - Sindh-Bhairavi.mp3
                                         'working'  None
                                         'bitrate'  267
                                    'duration_sec'  309
                                           'genre'  loc-asia-india
                                        'filesize'  10385621
                                           'mtime'  1621627066
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east of (LS 86053) of (1968) loc asia india
                                      'tag_artist'  Deben Bhattacharya, editor
                                     'tag_release'  Classical Ragas from India
                                       'tag_title'  Side 1 - 01 - Sindh-Bhairavi (Sarod)
                                             'bpm'  125.782
                                    'search_title'  '1':2 'bhairavi':4 'sarod':6,7 'side':1 'sindh':3 'sindhbhairavi':5
                                   'search_artist'  'bhattacharya':2,3 'deben':1 'editor':4
                                  'search_release'  'classical':1 'from':3 'india':4 'ragas':2
                                     'search_rest'  '00south':1 '1968':10,11 '86053':8,9 'asia':13 'east':4 'europe':2 'india':14 'loc':12 'ls':6,7 'middle':3 'of':5
                                    'search_combo'  '00south':16 '1':2A '1968':25,26 '86053':23,24 'asia':28 'bhairavi':4A 'bhattacharya':9B,10B 'classical':12C 'deben':8B 'east':19 'editor':11B 'europe':17 'from':14C 'india':15C,29 'loc':27 'ls':21,22 'middle':18 'of':20 'ragas':13C 'sarod':6A,7A 'side':1A 'sindh':3A 'sindhbhairavi':5A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627065.594735  (2021-05-21 21:57:45)
                             'size'  10385621