======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '669'
                                          'artist'  'Nikhil Banerjee'
                                     'text_people'  ''
                                         'release'  'Alap & Gat in Bhairavi, Thumri Style'
                                           'title'  '1965 Live Track 4 Alap'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['sitar', 'world', 'indian classical', 'hindustani', 'indian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '99.960'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Alap & Gat in Bhairavi, Thumri Style'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         '1965 Live Track 4 Alap'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Nikhil Banerjee'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['sitar', 'world', 'indian classical', 'hindustani', 'indian']
'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'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.47 dB'
'TXXX:replaygain_track_peak'                        '0.994833'

========================== row from database ==========================
                                              'id'  732045
                                            'path'  /data/Music/Bulk/00localcharacter/Nikhil Banerjee/Morning Ragas Bombay(1965)/Nikhil Banerjee - Morning Ragas - 1965 - 08 - Bhairavi.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  669
                                           'genre'  loc-unsorted
                                        'filesize'  10719104
                                           'mtime'  1620401237
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Morning Ragas Bombay(1965) Morning Ragas 08 loc unsorted
                                      'tag_artist'  Nikhil Banerjee
                                     'tag_release'  Alap & Gat in Bhairavi, Thumri Style
                                       'tag_title'  1965 Live Track 4 Alap
                                             'bpm'  99.96
                                    'search_title'  '1965':1 '4':4 'alap':5 'live':2 'track':3
                                   'search_artist'  'banerjee':2 'nikhil':1
                                  'search_release'  'alap':1 'bhairavi':4,5 'gat':2 'in':3 'style':7 'thumri':6
                                     'search_rest'  '1965':4 'bombay':3 'bombay1965':5 'loc':6 'morning':1 'ragas':2 'unsorted':7
                                    'search_combo'  '1965':1A,18 '4':4A 'alap':5A,8C 'banerjee':7B 'bhairavi':11C,12C 'bombay':17 'bombay1965':19 'gat':9C 'in':10C 'live':2A 'loc':20 'morning':15 'nikhil':6B 'ragas':16 'style':14C 'thumri':13C 'track':3A 'unsorted':21
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['sitar', 'world', 'indian classical', 'hindustani', 'indian']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401237.448504  (2021-05-07 17:27:17)
                             'size'  10719104