======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '407'
                                          'artist'  'Asia'
                                     'text_people'  'Asia'
                                         'release'  'Progsoup 46'
                                           'title'  'Tomorrow The World'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '101.310'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001162 000011DF 0000752F 00007988 0004A097 00055E63 000088AB 00008AEF '
 '000495E0 0003C997')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007BC 0000000001122E34 00000000 00F898D1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12++'
'TALB' (Album/Movie/Show title)                     'Progsoup 46'
'TBPM' (BPM (beats per minute))                     '101.310'
'TCOM' (Composer)                                   'John Wetton & Geoff Downes'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Tomorrow The World'
'TKEY' (Initial key)                                '7A'
'TOPE' (Original artist(s)/performer(s))            'Asia'
'TPE1' (Lead performer(s)/Soloist(s))               'Asia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '29'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.386396'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N56Q272949411V98A58A6F034F692B3D390F20C351F8F4A1P0\x00')

========================== row from database ==========================
                                              'id'  1415215
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 46/2634 asia - Tomorrow The World.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  407
                                           'genre'  rock-cppex-progressive
                                        'filesize'  16302607
                                           'mtime'  1620737466
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2634 asia rock cppex progressive
                                      'tag_artist'  Asia
                                     'tag_release'  Progsoup 46
                                       'tag_title'  Tomorrow The World
                                             'bpm'  101.31
                                    'search_title'  'the':2 'tomorrow':1 'world':3
                                   'search_artist'  'asia':1
                                  'search_release'  '46':2 'progsoup':1
                                     'search_rest'  '2634':3 'asia':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'rock':5
                                    'search_combo'  '2634':9 '46':6C 'asia':4B,10 'classicprogpsy':7 'cppex':12 'progressive':13 'progsoup':5C,8 'rock':11 'the':2A 'tomorrow':1A 'world':3A
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620737466.3494213  (2021-05-11 14:51:06)
                             'size'  16302607