======================== unified (from filesystem) ========================
                                         'bitrate'  '224.044'
                                        'duration'  '375'
                                          'artist'  'Sivaprasad'
                                     'text_people'  'Tyagaraja'
                                         'release'  'Sifflet, Inde du Sud'
                                           'title'  'Ninu vina'
                                           '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-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '08'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '144.852'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sifflet, Inde du Sud'
'TBPM' (BPM (beats per minute))                     '144.852'
'TCOM' (Composer)                                   'Tyagaraja'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Ninu vina'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sivaprasad'
'TRCK' (Track number/Position in set)               '02/08'
'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: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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.358997'

========================== row from database ==========================
                                              'id'  1398632
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Sivaprasad/The Whistle Wizard from Andhra Pradesh/02 - Ninu vina.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  375
                                           'genre'  loc-asia-india
                                        'filesize'  10518528
                                           'mtime'  1621627000
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia The Whistle Wizard from Andhra Pradesh 02 loc asia india
                                      'tag_artist'  Sivaprasad
                                     'tag_release'  Sifflet, Inde du Sud
                                       'tag_title'  Ninu vina
                                             'bpm'  144.852
                                    'search_title'  'ninu':1 'vina':2
                                   'search_artist'  'sivaprasad':1
                                  'search_release'  'du':4 'inde':3 'sifflet':1,2 'sud':5
                                     'search_rest'  '00asia':1 'andhra':6 'asia':9 'from':5 'india':10 'loc':8 'pradesh':7 'the':2 'whistle':3 'wizard':4
                                    'search_combo'  '00asia':9 'andhra':14 'asia':17 'du':7C 'from':13 'inde':6C 'india':18 'loc':16 'ninu':1A 'pradesh':15 'sifflet':4C,5C 'sivaprasad':3B 'sud':8C 'the':10 'vina':2A 'whistle':11 'wizard':12
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1B
                                           '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627000.1905246  (2021-05-21 21:56:40)
                             'size'  10518528