======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '477'
                                          'artist'  'Frost*'
                                     'text_people'  ''
                                         'release'  'progsoup 58'
                                           'title'  'Experiments In Mass Appeal'
                                           '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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive', 'neo progressive rock', 'neo progressive', 'neo prog', "
 "'rock', 'progressive rock']")
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '9'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '132.966'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '6E0D5109+255852+9+150+35977+'
'COMM:iTunes_CDDB_1:eng'                            '6E0D5109+255852+9+150+35977+60872+81071+108728+139522+165757+170752+184721'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'progsoup 58'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Experiments In Mass Appeal'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frost*'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11/9'
'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'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['progressive',
 'neo progressive rock',
 'neo progressive',
 'neo prog',
 'rock',
 'progressive 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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.74 dB'
'TXXX:replaygain_track_peak'                        '0.379779'

========================== row from database ==========================
                                              'id'  1411834
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 58/3238 frost - experiments in mass appeal.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  477
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  19159291
                                           'mtime'  1620737598
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3238 frost experiments in mass appeal rock cppex progressive;set pl progspace
                                      'tag_artist'  Frost*
                                     'tag_release'  progsoup 58
                                       'tag_title'  Experiments In Mass Appeal
                                             'bpm'  132.966
                                    'search_title'  'appeal':4 'experiments':1 'in':2 'mass':3
                                   'search_artist'  'frost':1,2
                                  'search_release'  '58':2 'progsoup':1
                                     'search_rest'  '3238':3 'appeal':8 'classicprogpsy':1 'cppex':10 'experiments':5 'frost':4 'in':6 'mass':7 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14
                                    'search_combo'  '3238':11 '58':8C 'appeal':4A,16 'classicprogpsy':9 'cppex':18 'experiments':1A,13 'frost':5B,6B,12 'in':2A,14 'mass':3A,15 'pl':23 'progressive':19,21 'progsoup':7C,10 'progspace':24 'rock':17 'set':20,22
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'neo progressive rock', 'neo progressive', 'neo prog', 'rock', 'progressive rock']
                                        'tag_date'  2008
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737598.374056  (2021-05-11 14:53:18)
                             'size'  19159291