======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '253'
                                          'artist'  'Alex Puddu'
                                     'text_people'  ''
                                         'release'  'The Golden Age of Danish Pornography, Vol. 3'
                                           'title'  'XXX Action'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'instrumental', 'jazz', 'chillout', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-porngroove'
                                             'bpm'  '104.7'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Golden Age of Danish Pornography, Vol. 3'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-porngroove']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'XXX Action'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alex Puddu'
'TRCK' (Track number/Position in set)               '10/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'instrumental', 'jazz', 'chillout', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'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'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.547448'

========================== row from database ==========================
                                              'id'  1485295
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Alex Puddu/Alex Puddu - The Golden Age of Danish Pornography Vol.3 (2016)/10.  XXX Action.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  253
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-porngroove
                                        'filesize'  10168996
                                           'mtime'  1620540597
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Vol.3 (2016) 10. prerock jb jazz unsorted;set pl porngroove
                                      'tag_artist'  Alex Puddu
                                     'tag_release'  The Golden Age of Danish Pornography, Vol. 3
                                       'tag_title'  XXX Action
                                             'bpm'  104.7
                                    'search_title'  'action':2 'xxx':1
                                   'search_artist'  'alex':1 'puddu':2
                                  'search_release'  '3':10 'age':3 'danish':5 'golden':2 'of':4 'pornography':6,7 'the':1 'vol':8,9
                                     'search_rest'  '10':9,10 '2016':7,8 '3':5 'funk':2 'jazz':13 'jb':12 'pl':18 'porngroove':19 'prerock':11 'set':15,17 'soul':3 'swing':1 'unsorted':14,16 'vol':4 'vol3':6
                                    'search_combo'  '10':23,24 '2016':21,22 '3':14C,19 'action':2A 'age':7C 'alex':3B 'danish':9C 'funk':16 'golden':6C 'jazz':27 'jb':26 'of':8C 'pl':32 'porngroove':33 'pornography':10C,11C 'prerock':25 'puddu':4B 'set':29,31 'soul':17 'swing':15 'the':5C 'unsorted':28,30 'vol':12C,13C,18 'vol3':20 'xxx':1A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'instrumental', 'jazz', 'chillout', 'funk']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540597.3896866  (2021-05-09 08:09:57)
                             'size'  10168996