======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'ros sereysothea'
                                     'text_people'  ''
                                         'release'  'cambodian rocks'
                                           'title'  'the night we met (retrey yung joup knea)'
                                           '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-cambodia'
                                             'bpm'  '120.902'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'cambodian rocks'
'TBPM' (BPM (beats per minute))                     '120.902'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-cambodia'
'TIT2' (Title/songname/content description)         'the night we met (retrey yung joup knea)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'ros sereysothea'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Mp3gain_minmax'                               '120,190'
'TXXX:Mp3gain_undo'                                 '+005,+005,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'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.329233'

========================== row from database ==========================
                                              'id'  931700
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/cambodian rocks/22 ros sereysothea - the night we met (retrey yung joup knea).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  loc-asia-cambodia
                                        'filesize'  3224575
                                           'mtime'  1621629202
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 22 loc asia
                                      'tag_artist'  ros sereysothea
                                     'tag_release'  cambodian rocks
                                       'tag_title'  the night we met (retrey yung joup knea)
                                             'bpm'  120.902
                                    'search_title'  'joup':8 'knea':9,10 'met':4 'night':2 'retrey':5,6 'the':1 'we':3 'yung':7
                                   'search_artist'  'ros':1 'sereysothea':2
                                  'search_release'  'cambodian':1 'rocks':2
                                     'search_rest'  '00asia':1 '22':2 'asia':4 'loc':3
                                    'search_combo'  '00asia':15 '22':16 'asia':18 'cambodian':13C 'joup':8A 'knea':9A,10A 'loc':17 'met':4A 'night':2A 'retrey':5A,6A 'rocks':14C 'ros':11B 'sereysothea':12B 'the':1A 'we':3A 'yung':7A
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', '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'  1621629202.2353826  (2021-05-21 22:33:22)
                             'size'  3224575