======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '431'
                                          'artist'  'jerry goodman, tony levin'
                                     'text_people'  ''
                                         'release'  'progsoup 49'
                                           'title'  '  the laws of nature'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '40'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '111.211'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'PRIV:http://www.cdtag.com:\x00\x01@A\x82\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x00\x01@A\x82\x00')
'TALB' (Album/Movie/Show title)                     'progsoup 49'
'TBPM' (BPM (beats per minute))                     '111.211'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         '  the laws of nature'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'jerry goodman, tony levin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '40'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 --alt-preset cbr 320'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.656993'

========================== row from database ==========================
                                              'id'  1412277
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 49/2805 jerry goodman, tony levin -  the laws of nature.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  431
                                           'genre'  rock-cppex-progressive
                                        'filesize'  17246124
                                           'mtime'  1620737520
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2805 rock cppex progressive
                                      'tag_artist'  jerry goodman, tony levin
                                     'tag_release'  progsoup 49
                                       'tag_title'    the laws of nature
                                             'bpm'  111.211
                                    'search_title'  'laws':2 'nature':4 'of':3 'the':1
                                   'search_artist'  'goodman':2,3 'jerry':1 'levin':5 'tony':4
                                  'search_release'  '49':2 'progsoup':1
                                     'search_rest'  '2805':3 'classicprogpsy':1 'cppex':5 'progressive':6 'progsoup':2 'rock':4
                                    'search_combo'  '2805':14 '49':11C 'classicprogpsy':12 'cppex':16 'goodman':6B,7B 'jerry':5B 'laws':2A 'levin':9B 'nature':4A 'of':3A 'progressive':17 'progsoup':10C,13 'rock':15 'the':1A 'tony':8B
                                    'tag_tracknum'  40
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737520.4175344  (2021-05-11 14:52:00)
                             'size'  17246124