======================== unified (from filesystem) ========================
                                         'bitrate'  '187.509'
                                        'duration'  '157'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Beatles for Sale'
                                           'title'  'Mr. Moonlight'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '126'
                                             'key'  '2B'
                                        'acoustid'  '5f1f6c5c-212c-49b1-aa6d-397091734c67'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatles for Sale'
'TBPM' (BPM (beats per minute))                     '126'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1964'
'TDRC' (Recording time)                             '1964-12-04'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'George Martin']])
'TIT2' (Title/songname/content description)         'Mr. Moonlight'
'TKEY' (Initial key)                                '2B'
'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)               '6/14'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0401929/GBAYE0900651'
'TXXX:Acoustid Id'                                  '5f1f6c5c-212c-49b1-aa6d-397091734c67'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PMC 1240'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         'c9f28bf9-3e03-4da2-b0b8-5d76691df7de'
'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'                 'f50a3b6f-27f0-3832-bd3f-3568dc557d95'
'TXXX:MusicBrainz Release Track Id'                 '93c3be4f-6385-35f8-bde3-7ceb4f985a69'
'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:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1964'
'TXXX:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.455709'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6f649d12-e007-477d-b886-4816caeed2c7')
'USLT::XXX'                                         ('Mr. Moonlight\r\n'
 'You came to me\r\n'
 'One summer night\r\n'
 'And from your beam you made my dream\r\n'
 'And from the world you sent my girl\r\n'
 'And from above you sent us love\r\n'
 'And now she in mine\r\n'
 "I think you're fine\r\n"
 'Because we love you\r\n'
 'Mr. Moonlight\r\n'
 '\r\n'
 'Mr. Moonlight,\r\n'
 'Come again please\r\n'
 'Here I am on my knees\r\n'
 "Beggin' if you please\r\n"
 '\r\n'
 "And the night you don't come my way\r\n"
 'I pray and pray more each day\r\n'
 'Because we love you\r\n'
 'Mr. Moonlight\r\n'
 '\r\n'
 "And the night you don't come my way\r\n"
 'I pray and pray more each day\r\n'
 'Because we love you\r\n'
 'Mr. Moonlight\r\n'
 'Mr. Moonlight\r\n'
 'Mr. Moonlight')

========================== row from database ==========================
                                              'id'  1526242
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_64-beatles for sale/The Beatles - Mr. Moonlight.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  157
                                           'genre'  rock-cppex-classic
                                        'filesize'  3756878
                                           'mtime'  1636039039
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _64 beatles sale rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Beatles for Sale
                                       'tag_title'  Mr. Moonlight
                                             'bpm'  126.0
                                    'search_title'  'moonlight':3 'mr':1,2
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'beatles':1 'for':2 'sale':3
                                     'search_rest'  '00poprockelectronic':1 '64':2 'beatles':3 'classic':7 'cppex':6 'rock':5 'sale':4
                                    'search_combo'  '00poprockelectronic':9 '64':10 'beatles':5B,6C,11 'classic':15 'cppex':14 'for':7C 'moonlight':3A 'mr':1A,2A 'rock':13 'sale':8C,12 'the':4B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  2B
                                           '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-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039038.885339  (2021-11-04 16:17:18)
                             'size'  3756878