======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '4113'
                                          'artist'  'Nikhil Banerjee'
                                     'text_people'  ''
                                         'release'  'Shyam Kedar'
                                           'title'  'Live, San Francisco - with Zakir Hussain'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sitar', 'world', 'indian classical', 'hindustani', 'indian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '141.118'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shyam Kedar'
'TBPM' (BPM (beats per minute))                     '141.118'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Live, San Francisco - with Zakir Hussain'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nikhil Banerjee'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'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'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.55 dB'
'TXXX:replaygain_track_peak'                        '0.828043'

========================== row from database ==========================
                                              'id'  731692
                                            'path'  /data/Music/Bulk/00localcharacter/Nikhil Banerjee/Live Concert Series vol.1-Shyam Kedar/Nikhil Banerjee - Shyam Kedar - Live, San Francisco - with Z.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  4113
                                           'genre'  loc-asia-india
                                        'filesize'  98733962
                                           'mtime'  1621629753
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Concert Series vol.1 loc asia india
                                      'tag_artist'  Nikhil Banerjee
                                     'tag_release'  Shyam Kedar
                                       'tag_title'  Live, San Francisco - with Zakir Hussain
                                             'bpm'  141.118
                                    'search_title'  'francisco':4 'hussain':7 'live':1,2 'san':3 'with':5 'zakir':6
                                   'search_artist'  'banerjee':2 'nikhil':1
                                  'search_release'  'kedar':2 'shyam':1
                                     'search_rest'  '1':4 'asia':7 'concert':1 'india':8 'loc':6 'series':2 'vol':3 'vol1':5
                                    'search_combo'  '1':15 'asia':18 'banerjee':9B 'concert':12 'francisco':4A 'hussain':7A 'india':19 'kedar':11C 'live':1A,2A 'loc':17 'nikhil':8B 'san':3A 'series':13 'shyam':10C 'vol':14 'vol1':16 'with':5A 'zakir':6A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['sitar', 'world', 'indian classical', 'hindustani', 'indian']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629753.4766068  (2021-05-21 22:42:33)
                             'size'  98733962