======================== unified (from filesystem) ========================
                                         'bitrate'  '250.546'
                                        'duration'  '2197'
                                          'artist'  'Nikhil Banerjee'
                                     'text_people'  ''
                                         'release'  "India's Maestro of Melody, Live Concert vol. 7"
                                           'title'  'Raag Marubehag: Gat in medium tempo Teentaal 16 beats'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['sitar', 'world', 'indian classical', 'hindustani', 'indian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '02'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '138.323'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "India's Maestro of Melody, Live Concert vol. 7"
'TBPM' (BPM (beats per minute))                     '138.323'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Raag Marubehag: Gat in medium tempo Teentaal 16 beats'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nikhil Banerjee'
'TRCK' (Track number/Position in set)               '02/02'
'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'                                   ['sitar', 'world', 'indian classical', 'hindustani', 'indian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.44 dB'
'TXXX:replaygain_track_peak'                        '0.498445'

========================== row from database ==========================
                                              'id'  731632
                                            'path'  /data/Music/Bulk/00localcharacter/Nikhil Banerjee/Live Concert vol. 7/02-Raag Marubehag- Gat in medium tempo Teentaal 16 beats.mp3
                                         'working'  None
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                                    'duration_sec'  2197
                                           'genre'  loc-asia-india
                                        'filesize'  68815117
                                           'mtime'  1621629754
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 02 loc asia india
                                      'tag_artist'  Nikhil Banerjee
                                     'tag_release'  India's Maestro of Melody, Live Concert vol. 7
                                       'tag_title'  Raag Marubehag: Gat in medium tempo Teentaal 16 beats
                                             'bpm'  138.323
                                    'search_title'  'beats':9 'gat':4 'in':5 'marubehag':2,3 'medium':6 'raag':1 'teentaal':8 'tempo':7
                                   'search_artist'  'banerjee':2 'nikhil':1
                                  'search_release'  '7':12 'concert':9 'india':1 'indias':3 'live':8 'maestro':4 'melody':6,7 'of':5 's':2 'vol':10,11
                                     'search_rest'  'asia':2 'india':3 'loc':1
                                    'search_combo'  '7':23C 'asia':25 'banerjee':11B 'beats':9A 'concert':20C 'gat':4A 'in':5A 'india':12C,26 'indias':14C 'live':19C 'loc':24 'maestro':15C 'marubehag':2A,3A 'medium':6A 'melody':17C,18C 'nikhil':10B 'of':16C 'raag':1A 's':13C 'teentaal':8A 'tempo':7A 'vol':21C,22C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['sitar', 'world', 'indian classical', 'hindustani', 'indian']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629753.6032603  (2021-05-21 22:42:33)
                             'size'  68815117