======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '122'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Rubber Soul'
                                           'title'  'Norwegian Wood (This Bird Has Flown)'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '88'
                                             'key'  '4A'
                                        'acoustid'  'c3b581cb-89f2-4e0b-876c-8216ae693cf0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rubber Soul'
'TBPM' (BPM (beats per minute))                     '88'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1965'
'TDRC' (Recording time)                             '1965-12-03'
'TIT2' (Title/songname/content description)         'Norwegian Wood (This Bird Has Flown)'
'TKEY' (Initial key)                                '4A'
'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)               '2/14'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0900802'
'TXXX:Acoustid Id'                                  'c3b581cb-89f2-4e0b-876c-8216ae693cf0'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PCS 3075'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         'd1092e74-6412-4bc6-a91c-bc3588b764f9'
'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'                 'dca03435-8adb-30a5-ba82-5a162267ff38'
'TXXX:MusicBrainz Release Track Id'                 '31b0b6d9-1e99-3120-b073-5455dd41a0de'
'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', 'pop rock']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1965'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.835068'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'783e684e-6045-4d07-87d0-3d6ba91238f6')
'USLT::XXX'                                         ('I once had a girl, or should I say, she once had me...\r\n'
 "She showed me her room, isn't it good, Norwegian wood?\r\n"
 '\r\n'
 'She asked me to stay and she told me to sit anywhere,\r\n'
 "So I looked around and I noticed there wasn't a chair.\r\n"
 '\r\n'
 'I sat on a rug, biding my time, drinking her wine.\r\n'
 "We talked until two and then she said, It's time for bed.\r\n"
 '\r\n'
 'She told me she worked in the morning and started to laugh.\r\n'
 "I told her I didn't and crawled off to sleep in the bath\r\n"
 '\r\n'
 'And when I awoke, I was alone, this bird had flown\r\n'
 "So I lit a fire, isn't it good, Norwegian wood.")

========================== row from database ==========================
                                              'id'  1527672
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_65-rubber soul/The Beatles - Norwegian Wood (This Bird Has Flown).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  122
                                           'genre'  rock-cppex-classic
                                        'filesize'  2021077
                                           'mtime'  1636039050
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _65 rubber soul rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Rubber Soul
                                       'tag_title'  Norwegian Wood (This Bird Has Flown)
                                             'bpm'  88.0
                                    'search_title'  'bird':5 'flown':7,8 'has':6 'norwegian':1 'this':3,4 'wood':2
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'rubber':1 'soul':2
                                     'search_rest'  '00poprockelectronic':1 '65':2 'classic':7 'cppex':6 'rock':5 'rubber':3 'soul':4
                                    'search_combo'  '00poprockelectronic':13 '65':14 'beatles':10B 'bird':5A 'classic':19 'cppex':18 'flown':7A,8A 'has':6A 'norwegian':1A 'rock':17 'rubber':11C,15 'soul':12C,16 'the':9B 'this':3A,4A 'wood':2A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           '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-1', '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'  1965
                                     'discogstags'  ['rock', 'pop', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039050.0353196  (2021-11-04 16:17:30)
                             'size'  2021077