======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'ros sereysothea'
                                     'text_people'  ''
                                         'release'  'cambodian rocks'
                                           'title'  'old pot, tasty rice (chnang jas bai chgn-ainj)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-cambodia'
                                             'bpm'  '92.518'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'cambodian rocks'
'TBPM' (BPM (beats per minute))                     '92.518'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-cambodia'
'TIT2' (Title/songname/content description)         'old pot, tasty rice (chnang jas bai chgn-ainj)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'ros sereysothea'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Mp3gain_minmax'                               '116,186'
'TXXX:Mp3gain_undo'                                 '+008,+008,N'
'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'                                   ['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.216279'

========================== row from database ==========================
                                              'id'  932463
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/cambodian rocks/16 ros sereysothea - old pot, tasty rice (chnang jas bai chgn-ainj).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  loc-asia-cambodia
                                        'filesize'  3230020
                                           'mtime'  1621629202
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 16 loc asia
                                      'tag_artist'  ros sereysothea
                                     'tag_release'  cambodian rocks
                                       'tag_title'  old pot, tasty rice (chnang jas bai chgn-ainj)
                                             'bpm'  92.518
                                    'search_title'  'ainj':11 'bai':9 'chgn':10 'chgnainj':12 'chnang':6,7 'jas':8 'old':1 'pot':2,3 'rice':5 'tasty':4
                                   'search_artist'  'ros':1 'sereysothea':2
                                  'search_release'  'cambodian':1 'rocks':2
                                     'search_rest'  '00asia':1 'asia':3 'loc':2
                                    'search_combo'  '00asia':17 'ainj':11A 'asia':19 'bai':9A 'cambodian':15C 'chgn':10A 'chgnainj':12A 'chnang':6A,7A 'jas':8A 'loc':18 'old':1A 'pot':2A,3A 'rice':5A 'rocks':16C 'ros':13B 'sereysothea':14B 'tasty':4A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629202.0870385  (2021-05-21 22:33:22)
                             'size'  3230020