======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  "Sgt. Pepper's Lonely Hearts Club Band"
                                           'title'  'Lovely Rita'
                                           '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-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'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'  '10'
                                      'tracktotal'  '13'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '88.1'
                                             'key'  '5B'
                                        'acoustid'  'bad85802-0373-4730-b650-0a55c5ed77e8'
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))                     '88.1'
'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)         'Lovely Rita'
'TKEY' (Initial key)                                '5B'
'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)               '10/13'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0601516'
'TXXX:Acoustid Id'                                  'bad85802-0373-4730-b650-0a55c5ed77e8'
'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'                 '36354f01-0ca5-35b1-b45f-bd773ec5d438'
'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'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.545997'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'057db5ae-ce60-4233-a43f-bc5707c922bf')
'USLT::XXX'                                         ('Lovely Rita meter maid\r\n'
 'Lovely Rita meter maid\r\n'
 '\r\n'
 'Lovely Rita meter maid\r\n'
 'nothing can come between us\r\n'
 'When it gets dark I tow your heart away\r\n'
 '\r\n'
 'Standing by a parking meter\r\n'
 'when I caught a glimpse of Rita\r\n'
 'Filling in a ticket in her little white book\r\n'
 'In a cap she looked much older\r\n'
 'And the bag across her shoulder\r\n'
 'Made her look a little like a military man\r\n'
 '\r\n'
 'Lovely Rita meter maid\r\n'
 'may I inquire discreetly\r\n'
 'When are you free to take some tea with me\r\n'
 '\r\n'
 'Rita!\r\n'
 '\r\n'
 'Took her out and tried to win her\r\n'
 'had a laugh and over dinner\r\n'
 'Told her I would really like to see her again\r\n'
 'Got the bill and Rita paid it\r\n'
 'Took her home and nearly made it\r\n'
 'Sitting on a sofa with a sister or two\r\n'
 '\r\n'
 'Oh! Lovely Rita meter maid\r\n'
 'where would I be without you\r\n'
 'give us a wink and make me think of you\r\n'
 '\r\n'
 'Lovely meter maid\r\n'
 'Rita meter maid\r\n'
 'oh, Lovely Rita meter, meter maid')

========================== row from database ==========================
                                              'id'  1526124
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_67-sgt. pepper_s lonely hearts club band/The Beatles - Lovely Rita.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  rock-cppex-classic
                                        'filesize'  2689520
                                           'mtime'  1636039066
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _67 sgt. pepper_s lonely hearts club band rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Sgt. Pepper's Lonely Hearts Club Band
                                       'tag_title'  Lovely Rita
                                             'bpm'  88.1
                                    'search_title'  'lovely':1 'rita':2
                                   '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':13 'club':9 'cppex':12 'hearts':8 'lonely':7 'pepper':5 'rock':11 's':6 'sgt':3,4
                                    'search_combo'  '00poprockelectronic':14 '67':15 'band':13C,23 'beatles':4B 'classic':26 'club':12C,22 'cppex':25 'hearts':11C,21 'lonely':10C,20 'lovely':1A 'pepper':7C,18 'peppers':9C 'rita':2A 'rock':24 's':8C,19 'sgt':5C,6C,16,17 'the':3B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-2', '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'  1636039066.4691267  (2021-11-04 16:17:46)
                             'size'  2689520