======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '156'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Help!'
                                           'title'  'The Night Before'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'stage & screen', 'beat', 'soundtrack', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '85.6'
                                             'key'  '9B'
                                        'acoustid'  'c1a897aa-0eb8-4db1-abde-e3283241a882'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Help!'
'TBPM' (BPM (beats per minute))                     '85.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1965'
'TDRC' (Recording time)                             '1965-08-06'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'George Martin']])
'TIT2' (Title/songname/content description)         'The Night Before'
'TKEY' (Initial key)                                '9B'
'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))  'GBAYE0900788/GBAYE6500665'
'TXXX:Acoustid Id'                                  'c1a897aa-0eb8-4db1-abde-e3283241a882'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PCS 3071'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         '40825ca0-0568-3de0-bbe7-d5e07ed9a191'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Release Group Id'                 '0d44e1cb-c6e0-3453-8b68-4d2082f05421'
'TXXX:MusicBrainz Release Track Id'                 '9644de52-a14f-377a-a952-067e6450e9a7'
'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', 'stage & screen', 'beat', 'soundtrack', 'pop rock']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1965'
'TXXX:q-bass'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.559724'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dec365ed-576f-4a31-9204-0a5d4aa191b2')
'USLT::XXX'                                         ('We said our goodbyes.\n'
 '(Ah.. the night before.)\n'
 'Love was in your eyes.\n'
 '(Ah.. the night before.)\n'
 'Now, today I find\n'
 'You have changed your mind.\n'
 'Treat me like you did the night before.\n'
 '\n'
 "Were you tellin' lies?\n"
 '(Ah.. the night before.)\n'
 'Was I so unwise?\n'
 '(Ah.. the night before.)\n'
 'When I held you near,\n'
 'You were so sincere.\n'
 'Treat me like you did the night before.\n'
 '\n'
 'Last night is a night\n'
 'I will remember you by.\n'
 'When I think of things we did,\n'
 'It makes me want to cry.\n'
 '\n'
 'We said our goodbyes.\n'
 '(Ah.. the night before.)\n'
 'Love was in your eyes.\n'
 '(Ah.. the night before.)\n'
 'Now, today I find\n'
 'You have changed your mind.\n'
 'Treat me like you did the night before. Yes.\n'
 '\n'
 'When I held you near,\n'
 'You were so sincere.\n'
 'Treat me like you did the night before.\n'
 '\n'
 'Last night is a night\n'
 'I will remember you by.\n'
 'When I think of things we did,\n'
 'It makes me want to cry.\n'
 '\n'
 "Were you tellin' lies?\n"
 '(Ah.. the night before.)\n'
 'Was I so unwise?\n'
 '(Ah.. the night before.)\n'
 'When I held you near,\n'
 'You were so sincere.\n'
 'Treat me like you did the night before.\n'
 'Like the night before.')

========================== row from database ==========================
                                              'id'  1530886
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_65-help!/The Beatles - The Night Before.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  156
                                           'genre'  rock-cppex-classic
                                        'filesize'  3179347
                                           'mtime'  1636039050
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _65 help! rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Help!
                                       'tag_title'  The Night Before
                                             'bpm'  85.6
                                    'search_title'  'before':3 'night':2 'the':1
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'help':1
                                     'search_rest'  '00poprockelectronic':1 '65':2 'classic':6 'cppex':5 'help':3 'rock':4
                                    'search_combo'  '00poprockelectronic':7 '65':8 'beatles':5B 'before':3A 'classic':12 'cppex':11 'help':6C,9 'night':2A 'rock':10 'the':1A,4B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'stage & screen', 'beat', 'soundtrack', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039049.8383665  (2021-11-04 16:17:29)
                             'size'  3179347