======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '141'
                                          'artist'  'Khmer Rouge Music'
                                     'text_people'  ''
                                         'release'  'Songs Of The Khmer Rouge'
                                           'title'  'Struggling To Build Dam And Dig Channels'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['communism']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '143.213'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Songs Of The Khmer Rouge'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Struggling To Build Dam And Dig Channels'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Khmer Rouge Music'
'TPE2' (Band/orchestra/accompaniment)               'Khmer Rouge Music'
'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'                                      '1'
'TXXX:Q-UNU'                                        '3'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.347253'

========================== row from database ==========================
                                              'id'  925878
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/v.a. - Songs Of The Khmer Rouge (year zero recordings 2005) cambodia/02. Struggling_to_Build_Dam_and_Dig_Channels.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  141
                                           'genre'  loc-asia
                                        'filesize'  3012434
                                           'mtime'  1652397828
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia v.a. (year zero recordings 2005) cambodia 02. Struggling_to_Build_Dam_and_Dig_Channels loc asia
                                      'tag_artist'  Khmer Rouge Music
                                     'tag_release'  Songs Of The Khmer Rouge
                                       'tag_title'  Struggling To Build Dam And Dig Channels
                                             'bpm'  143.213
                                    'search_title'  'and':5 'build':3 'channels':7 'dam':4 'dig':6 'struggling':1 'to':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 '02':12,13 '2005':9,10 'a':3 'and':18 'asia':22 'build':16 'cambodia':11 'channels':20 'dam':17 'dig':19 'loc':21 'recordings':8 'struggling':14 'to':15 'v':2 'va':4 'year':5,6 'zero':7
                                    'search_combo'  '00asia':16 '02':27,28 '2005':24,25 'a':18 'and':5A,33 'asia':37 'build':3A,31 'cambodia':26 'channels':7A,35 'dam':4A,32 'dig':6A,34 'khmer':8B,14C 'loc':36 'music':10B 'of':12C 'recordings':23 'rouge':9B,15C 'songs':11C 'struggling':1A,29 'the':13C 'to':2A,30 'v':17 'va':19 'year':20,21 'zero':22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['communism']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397828.3866656  (2022-05-13 01:23:48)
                             'size'  3012434