======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '223'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Vocal music of the Uighurs'
                                           'title'  'Taq sulire'
                                           '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-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '117.535'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vocal music of the Uighurs'
'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Taq sulire'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Mp3gain_minmax'                               '064,220'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'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'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.634296'

========================== row from database ==========================
                                              'id'  926482
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/xinjiang - vocal music of the uighurs/Xinjiang - Vocal music of the Uighurs - Taq sulire.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  223
                                           'genre'  loc-asia
                                        'filesize'  8928907
                                           'mtime'  1652397832
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia xinjiang vocal uighurs Xinjiang loc asia
                                      'tag_artist'  [unknown]
                                     'tag_release'  Vocal music of the Uighurs
                                       'tag_title'  Taq sulire
                                             'bpm'  117.535
                                    'search_title'  'sulire':2 'taq':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'music':2 'of':3 'the':4 'uighurs':5 'vocal':1
                                     'search_rest'  '00asia':1 'asia':6 'loc':5 'uighurs':4 'vocal':3 'xinjiang':2
                                    'search_combo'  '00asia':10 'asia':15 'loc':14 'music':6C 'of':7C 'sulire':2A 'taq':1A 'the':8C 'uighurs':9C,13 'unknown':3B,4B 'vocal':5C,12 'xinjiang':11
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           '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-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397831.6609643  (2022-05-13 01:23:51)
                             'size'  8928907