======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '334'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  "Sgt. Pepper's Lonely Hearts Club Band"
                                           'title'  'A Day in the Life'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-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-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '146.0'
                                             'key'  '9A'
                                        'acoustid'  '61d8bda4-f906-42b8-97b8-51ed39a9093b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Sgt. Pepper's Lonely Hearts Club Band"
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1967-06-01'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'George Martin'], ['engineer', 'Geoff Emerick']])
'TIT2' (Title/songname/content description)         'A Day in the Life'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beatles'
'TPE2' (Band/orchestra/accompaniment)               'The Beatles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '13/13'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0601519'
'TXXX:Acoustid Id'                                  '61d8bda4-f906-42b8-97b8-51ed39a9093b'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PCS 7027'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         'aa86fb96-d1cc-3ce9-b916-166e9a689f22'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Release Group Id'                 '9f7a4c28-8fa2-3113-929c-c47a9f7982c3'
'TXXX:MusicBrainz Release Track Id'                 '2ead4b11-6147-3354-b034-568c6588c30c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1967'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.631276'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'17c75743-6fc2-4c72-8152-25c5b45dfea7')
'USLT::XXX'                                         ('[Verse 1: John Lennon]\n'
 'I read the news today, oh boy\n'
 'About a lucky man who made the grade\n'
 'And though the news was rather sad\n'
 'Well I just had to laugh\n'
 'I saw the photograph\n'
 'He blew his mind out in a car\n'
 "He didn't notice that the lights had changed\n"
 'A crowd of people stood and stared\n'
 "They'd seen his face before\n"
 'But nobody was really sure if he was from the House of Lords\n'
 'I saw a film today, oh, boy\n'
 'The English Army had just won the war\n'
 'A crowd of people turned away\n'
 'But I just had to look\n'
 'Having read the book\n'
 "I'd love to turn you on\n"
 '\n'
 '{alarm clock rings}\n'
 '\n'
 '[Verse 2: Paul McCartney]\n'
 'Woke up, fell out of bed\n'
 'Dragged a comb across my head\n'
 'Found my way downstairs and drank a cup\n'
 'And looking up I noticed I was late\n'
 'Found my coat and grabbed my hat\n'
 'Made the bus in seconds flat\n'
 'Found my way upstairs and had a smoke\n'
 'And somebody spoke and I went into a dream\n'
 '\n'
 '[Verse 3: John Lennon]\n'
 'I read the news today, oh boy\n'
 '4,000 holes in Blackburn, Lancashire\n'
 'And though the holes were rather small\n'
 'They had to count them all\n'
 'Now they know how many holes it takes to fill the Albert Hall\n'
 "I'd love to turn you on\n"
 '\n'
 '[Instrumental Outro]')

========================== row from database ==========================
                                              'id'  1531037
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_67-sgt. pepper_s lonely hearts club band/The Beatles - A Day In the Life.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  334
                                           'genre'  rock-cppex-classic
                                        'filesize'  5444946
                                           'mtime'  1636039066
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _67 sgt. pepper_s lonely hearts club band In rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Sgt. Pepper's Lonely Hearts Club Band
                                       'tag_title'  A Day in the Life
                                             'bpm'  146.0
                                    'search_title'  'a':1 'day':2 'in':3 'life':5 'the':4
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'band':9 'club':8 'hearts':7 'lonely':6 'pepper':3 'peppers':5 's':4 'sgt':1,2
                                     'search_rest'  '00poprockelectronic':1 '67':2 'band':10 'classic':14 'club':9 'cppex':13 'hearts':8 'in':11 'lonely':7 'pepper':5 'rock':12 's':6 'sgt':3,4
                                    'search_combo'  '00poprockelectronic':17 '67':18 'a':1A 'band':16C,26 'beatles':7B 'classic':30 'club':15C,25 'cppex':29 'day':2A 'hearts':14C,24 'in':3A,27 'life':5A 'lonely':13C,23 'pepper':10C,21 'peppers':12C 'rock':28 's':11C,22 'sgt':8C,9C,19,20 'the':4A,6B
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1967
                                     'discogstags'  ['rock', 'pop rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1636039066.3748713  (2021-11-04 16:17:46)
                             'size'  5444946