======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '175'
                                          'artist'  'Ros Sereysothea,Pan Ron And Dara Choum Chan'
                                     'text_people'  ''
                                         'release'  'Uploads from Samouth Khmer (50s-70s Asian)'
                                           'title'  'Mouy Thnai Kro Orb Bei Dhong'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-asia-cambodia'
                                             'bpm'  '133.228'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Uploads from Samouth Khmer (50s-70s Asian)'
'TBPM' (BPM (beats per minute))                     '133.228'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-cambodia'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Mouy Thnai Kro Orb Bei Dhong'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ros Sereysothea,Pan Ron And Dara Choum Chan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.256572'

========================== row from database ==========================
                                              'id'  1493825
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Uploads from Samouth Khmer (50s-70s Asian)/2 Ros Sereysothea,Pan Ron And Dara Choum Chan - Mouy Thnai Kro Orb Bei Dhong.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  175
                                           'genre'  loc-asia-cambodia
                                        'filesize'  5615238
                                           'mtime'  1621509050
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 2 loc asia cambodia
                                      'tag_artist'  Ros Sereysothea,Pan Ron And Dara Choum Chan
                                     'tag_release'  Uploads from Samouth Khmer (50s-70s Asian)
                                       'tag_title'  Mouy Thnai Kro Orb Bei Dhong
                                             'bpm'  133.228
                                    'search_title'  'bei':5 'dhong':6 'kro':3 'mouy':1 'orb':4 'thnai':2
                                   'search_artist'  'and':7 'chan':10 'choum':9 'dara':8 'pan':3,5 'ron':6 'ros':1 'sereysothea':2,4
                                  'search_release'  '50s':5 '50s70s':7 '70s':6 'asian':8,9 'from':2 'khmer':4 'samouth':3 'uploads':1
                                     'search_rest'  '00asia':1 '2':2 'asia':4 'cambodia':5 'loc':3
                                    'search_combo'  '00asia':26 '2':27 '50s':21C '50s70s':23C '70s':22C 'and':13B 'asia':29 'asian':24C,25C 'bei':5A 'cambodia':30 'chan':16B 'choum':15B 'dara':14B 'dhong':6A 'from':18C 'khmer':20C 'kro':3A 'loc':28 'mouy':1A 'orb':4A 'pan':9B,11B 'ron':12B 'ros':7B 'samouth':19C 'sereysothea':8B,10B 'thnai':2A 'uploads':17C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621509050.0054896  (2021-05-20 13:10:50)
                             'size'  5615238