======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '388'
                                          'artist'  'Lakshmi Shankar'
                                     'text_people'  'Holi'
                                         'release'  'Les heures et les saisons'
                                           'title'  'Holi - Raga Khafi'
                                           '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-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['chambers and catacombs', 'indian classical', 'hindustani', 'indian', "
 "'hindi']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'loc-asia-india-classical'
                                             'bpm'  '125.006'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::heb'                                         'Ocora'
'COMM:ID3v1 Comment:XXX'                            'Ocora'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x004\x006\x007\x004\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x008\x000\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x000\x006\x005\x001\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x004\x006\x007\x004\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x008\x000\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x000\x006\x005\x001\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:½\x0f>ï\x90iYD¿ý\x82Â!®\x1e\x89'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xbd\x0f>\xef\x90iYD\xbf\xfd\x82\xc2!\xae\x1e\x89')
'PRIV:WM/WMCollectionID:½\x0f>ï\x90iYD¿ý\x82Â!®\x1e\x89'  PRIV(owner='WM/WMCollectionID', data=b'\xbd\x0f>\xef\x90iYD\xbf\xfd\x82\xc2!\xae\x1e\x89')
'PRIV:WM/WMContentID:ÒùÎ%ï\x0f\x08M\x9dí\x8aÍ;¤°Q'  PRIV(owner='WM/WMContentID', data=b'\xd2\xf9\xce%\xef\x0f\x08M\x9d\xed\x8a\xcd;\xa4\xb0Q')
'TALB' (Album/Movie/Show title)                     'Les heures et les saisons'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCOM' (Composer)                                   'Holi'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india-classical'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Holi - Raga Khafi'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lakshmi Shankar'
'TPE2' (Band/orchestra/accompaniment)               'Lakshmi Shankar'
'TPUB' (Publisher)                                  'Ocora'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['chambers and catacombs', 'indian classical', 'hindustani', 'indian', 'hindi']
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.996881'

========================== row from database ==========================
                                              'id'  1398362
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Lakshmi Shankar/Les heures et les saisons/lakshmi shankar - 03 - holi - raga khafi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  388
                                           'genre'  loc-asia-india-classical
                                        'filesize'  9336133
                                           'mtime'  1621626989
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia lakshmi shankar 03 holi raga khafi loc asia india classical
                                      'tag_artist'  Lakshmi Shankar
                                     'tag_release'  Les heures et les saisons
                                       'tag_title'  Holi - Raga Khafi
                                             'bpm'  125.006
                                    'search_title'  'holi':1 'khafi':3 'raga':2
                                   'search_artist'  'lakshmi':1 'shankar':2
                                  'search_release'  'et':3 'heures':2 'les':1 'saisons':4
                                     'search_rest'  '00asia':1 'asia':8 'classical':10 'holi':4 'india':9 'khafi':6 'lakshmi':2 'loc':7 'raga':5 'shankar':3
                                    'search_combo'  '00asia':10 'asia':17 'classical':19 'et':8C 'heures':7C 'holi':1A,13 'india':18 'khafi':3A,15 'lakshmi':4B,11 'les':6C 'loc':16 'raga':2A,14 'saisons':9C 'shankar':5B,12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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'  ['chambers and catacombs', 'indian classical', 'hindustani', 'indian', 'hindi']
                                        'tag_date'  1987
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621626989.4997926  (2021-05-21 21:56:29)
                             'size'  9336133