======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  "Sgt. Pepper's Lonely Hearts Club Band"
                                           'title'  'Lucy in the Sky With Diamonds'
                                           '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-3', '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'  '3'
                                      'tracktotal'  '13'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '137'
                                             'key'  '7A'
                                        'acoustid'  'a649b630-3e88-4890-bd54-6dd2a0898c3b'
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))                     '137'
'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)         'Lucy in the Sky With Diamonds'
'TKEY' (Initial key)                                '7A'
'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)               '3/13'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0601509'
'TXXX:Acoustid Id'                                  'a649b630-3e88-4890-bd54-6dd2a0898c3b'
'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'                 '7f965bec-5b26-30f9-9158-3e554b426bc9'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.667332'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'23b342d3-1f0b-4a0b-a419-d873cec3b259')
'USLT::XXX'                                         ('[Verse 1]\n'
 'Picture yourself in a boat on a river\n'
 'With tangerine trees and marmalade skies\n'
 'Somebody calls you, you answer quite slowly\n'
 'A girl with kaleidoscope eyes\n'
 'Cellophane flowers of yellow and green\n'
 'Towering over your head\n'
 'Look for the girl with the sun in her eyes\n'
 "And she's gone\n"
 '\n'
 '[Chorus]\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Ahh\n'
 '\n'
 '[Verse 2]\n'
 'Follow her down to a bridge by a fountain\n'
 'Where rocking horse people eat marshmallow pies\n'
 'Everyone smiles as you drift past the flowers\n'
 'That grow so incredibly high\n'
 'Newspaper taxis appear on the shore\n'
 'Waiting to take you away\n'
 'Climb in the back with your head in the clouds\n'
 "And you're gone\n"
 '\n'
 '[Chorus]\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Ahh\n'
 '\n'
 '[Verse 3]\n'
 'Picture yourself on a train in a station\n'
 'With plasticine porters with looking glass ties\n'
 'Suddenly someone is there at the turnstile\n'
 'The girl with kaleidoscope eyes\n'
 '\n'
 '[Chorus]\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Ahh\n'
 '\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Ahh\n'
 '\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Lucy in the sky with diamonds\n'
 'Ahh')

========================== row from database ==========================
                                              'id'  1534270
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_67-sgt. pepper_s lonely hearts club band/The Beatles - Lucy In the Sky With Diamonds.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  rock-cppex-classic
                                        'filesize'  3432438
                                           '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'  Lucy in the Sky With Diamonds
                                             'bpm'  137.0
                                    'search_title'  'diamonds':6 'in':2 'lucy':1 'sky':4 'the':3 'with':5
                                   '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':18 '67':19 'band':17C,27 'beatles':8B 'classic':31 'club':16C,26 'cppex':30 'diamonds':6A 'hearts':15C,25 'in':2A,28 'lonely':14C,24 'lucy':1A 'pepper':11C,22 'peppers':13C 'rock':29 's':12C,23 'sgt':9C,10C,20,21 'sky':4A 'the':3A,7B 'with':5A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           '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-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'  1636039066.469666  (2021-11-04 16:17:46)
                             'size'  3432438