======================== unified (from filesystem) ========================
                                         'bitrate'  '257.765'
                                        'duration'  '260'
                                          'artist'  'Deben Bhattacharya'
                                     'text_people'  ''
                                         'release'  'Classical Ragas of India (1968)'
                                           'title'  'Religious Song in Mand Style'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '144.438'
                                             'key'  '9B'
                                        '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 of India (1968)'
'TBPM' (BPM (beats per minute))                     '144.438'
'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)         'Religious Song in Mand Style'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Deben Bhattacharya'
'TRCK' (Track number/Position in set)               '02'
'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'                                   ['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']
'TXXX:other'                                        'Side 2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.76 dB'
'TXXX:replaygain_track_peak'                        '1.007498'

========================== row from database ==========================
                                              'id'  1237933
                                            '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 2 - 02 - Religious Song in Mand Style.mp3
                                         'working'  None
                                         'bitrate'  257
                                    'duration_sec'  260
                                           'genre'  loc-asia-india
                                        'filesize'  8425441
                                           'mtime'  1621627067
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east (LS 86053) Side 2 02 loc asia india
                                      'tag_artist'  Deben Bhattacharya
                                     'tag_release'  Classical Ragas of India (1968)
                                       'tag_title'  Religious Song in Mand Style
                                             'bpm'  144.438
                                    'search_title'  'in':3 'mand':4 'religious':1 'song':2 'style':5
                                   'search_artist'  'bhattacharya':2 'deben':1
                                  'search_release'  '1968':5,6 'classical':1 'india':4 'of':3 'ragas':2
                                     'search_rest'  '00south':1 '2':10 '86053':7,8 'asia':12 'east':4 'europe':2 'india':13 'loc':11 'ls':5,6 'middle':3 'side':9
                                    'search_combo'  '00south':14 '1968':12C,13C '2':23 '86053':20,21 'asia':25 'bhattacharya':7B 'classical':8C 'deben':6B 'east':17 'europe':15 'in':3A 'india':11C,26 'loc':24 'ls':18,19 'mand':4A 'middle':16 'of':10C 'ragas':9C 'religious':1A 'side':22 'song':2A 'style':5A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional', 'ethnic', 'world music', 'folk', 'ethnomusicologist']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627066.5088341  (2021-05-21 21:57:46)
                             'size'  8425441