======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '89'
                                          'artist'  'Kink Gong'
                                     'text_people'  ''
                                         'release'  'Black And Red Dao In Vietnam'
                                           'title'  'Black Zao 3'
                                           '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'france', 'field recordings', 'folk', 'ethnic']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-asia-vietnam'
                                             'bpm'  '140.335'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black And Red Dao In Vietnam'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-vietnam'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Black Zao 3'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kink Gong'
'TPUB' (Publisher)                                  'Kink Gong Records'
'TRCK' (Track number/Position in set)               '8'
'TXXX:ASIN'                                         'B003UBMSQA'
'TXXX:Amazon_Date'                                  '2010-03-01'
'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'                                   ['world', 'france', 'field recordings', 'folk', 'ethnic']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.67 dB'
'TXXX:replaygain_track_peak'                        '0.409203'

========================== row from database ==========================
                                              'id'  1397098
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/kink gong - black and red dao in vietnam/8 black zao 3.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  89
                                           'genre'  loc-asia-vietnam
                                        'filesize'  2188495
                                           'mtime'  1620587753
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia kink gong black and red dao vietnam 8 black zao loc asia vietnam
                                      'tag_artist'  Kink Gong
                                     'tag_release'  Black And Red Dao In Vietnam
                                       'tag_title'  Black Zao 3
                                             'bpm'  140.335
                                    'search_title'  '3':3 'black':1 'zao':2
                                   'search_artist'  'gong':2 'kink':1
                                  'search_release'  'and':2 'black':1 'dao':4 'in':5 'red':3 'vietnam':6
                                     'search_rest'  '00asia':1 '8':9 'and':5 'asia':12 'black':4 'dao':7 'gong':3 'kink':2 'loc':11 'red':6 'vietnam':8 'zao':10
                                    'search_combo'  '00asia':12 '3':3A '8':20 'and':7C,16 'asia':23 'black':1A,6C,15 'dao':9C,18 'gong':5B,14 'in':10C 'kink':4B,13 'loc':22 'red':8C,17 'vietnam':11C,19 'zao':2A,21
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  4B
                                           '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-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['world', 'france', 'field recordings', 'folk', 'ethnic']
                                        'tag_date'  2010
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620587752.8956037  (2021-05-09 21:15:52)
                             'size'  2188495