======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'Khmer Rouge Music'
                                     'text_people'  ''
                                         'release'  'Songs Of The Khmer Rouge'
                                           'title'  'Khmer Rouge National Anthem'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['communism']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '141.216'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songs Of The Khmer Rouge'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Khmer Rouge National Anthem'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Khmer Rouge Music'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'communism'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.429585'

========================== row from database ==========================
                                              'id'  925907
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/v.a. - Songs Of The Khmer Rouge (year zero recordings 2005) cambodia/15. Khmer_Rouge_National_Anthem.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  loc-unsorted
                                        'filesize'  2604086
                                           'mtime'  1620400447
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia v.a. (year zero recordings 2005) cambodia 15. Khmer_Rouge_National_Anthem loc unsorted
                                      'tag_artist'  Khmer Rouge Music
                                     'tag_release'  Songs Of The Khmer Rouge
                                       'tag_title'  Khmer Rouge National Anthem
                                             'bpm'  141.216
                                    'search_title'  'anthem':4 'khmer':1 'national':3 'rouge':2
                                   'search_artist'  'khmer':1 'music':3 'rouge':2
                                  'search_release'  'khmer':4 'of':2 'rouge':5 'songs':1 'the':3
                                     'search_rest'  '00asia':1 '15':12,13 '2005':9,10 'a':3 'anthem':17 'cambodia':11 'khmer':14 'loc':18 'national':16 'recordings':8 'rouge':15 'unsorted':19 'v':2 'va':4 'year':5,6 'zero':7
                                    'search_combo'  '00asia':13 '15':24,25 '2005':21,22 'a':15 'anthem':4A,29 'cambodia':23 'khmer':1A,5B,11C,26 'loc':30 'music':7B 'national':3A,28 'of':9C 'recordings':20 'rouge':2A,6B,12C,27 'songs':8C 'the':10C 'unsorted':31 'v':14 'va':16 'year':17,18 'zero':19
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['communism']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620400447.1716397  (2021-05-07 17:14:07)
                             'size'  2604086