======================== unified (from filesystem) ========================
                                         'bitrate'  '173.821'
                                        'duration'  '1281'
                                          'artist'  'Dr. N. Rajam'
                                     'text_people'  ''
                                         'release'  "Violin (Maestro's Choice)"
                                           'title'  'Raga Jhinjhoti'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '03'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '126.885'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000198 00000165 00001335'
'COMM:iTunNORM:eng'                                 (' 00000198 00000165 00001335 00000EAE 000DD2DD 0011F85A 00005AD0 0000465D '
 '000D6D94 000DA023')
'TALB' (Album/Movie/Show title)                     "Violin (Maestro's Choice)"
'TBPM' (BPM (beats per minute))                     '126.885'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TCOP' (Copyright message)                          'Music Today CD A-91020'
'TDRC' (Recording time)                             '1991'
'TENC' (Encoded by)                                 'OM (Jantar using EAC with CRC check and Lame VBR)'
'TIT2' (Title/songname/content description)         'Raga Jhinjhoti'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dr. N. Rajam'
'TRCK' (Track number/Position in set)               '02/03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['spotify', 'all']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.805682'

========================== row from database ==========================
                                              'id'  1402551
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Dr. N. Rajam/Violin/02 raga jhinjhoti.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  1281
                                           'genre'  loc-asia-india
                                        'filesize'  27840026
                                           'mtime'  1621629138
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 02 raga jhinjhoti loc asia india
                                      'tag_artist'  Dr. N. Rajam
                                     'tag_release'  Violin (Maestro's Choice)
                                       'tag_title'  Raga Jhinjhoti
                                             'bpm'  126.885
                                    'search_title'  'jhinjhoti':2 'raga':1
                                   'search_artist'  'dr':1,2 'n':3,4 'rajam':5
                                  'search_release'  'choice':5,6 'maestro':2 'maestros':4 's':3 'violin':1
                                     'search_rest'  '00asia':1 'asia':5 'india':6 'jhinjhoti':3 'loc':4 'raga':2
                                    'search_combo'  '00asia':14 'asia':18 'choice':12C,13C 'dr':3B,4B 'india':19 'jhinjhoti':2A,16 'loc':17 'maestro':9C 'maestros':11C 'n':5B,6B 'raga':1A,15 'rajam':7B 's':10C 'violin':8C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'all']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629137.7554379  (2021-05-21 22:32:17)
                             'size'  27840026