======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '234'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Let It Be'
                                           'title'  'Dig a Pony'
                                           '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']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '115'
                                             'key'  '11B'
                                        'acoustid'  '8f6213c9-b1c6-46e0-9329-5f204e89a2c4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Let It Be'
'TBPM' (BPM (beats per minute))                     '115'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '1970-11-06'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Phil Spector']])
'TIT2' (Title/songname/content description)         'Dig a Pony'
'TKEY' (Initial key)                                '11B'
'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)                                  'Apple Records'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0601709'
'TXXX:Acoustid Id'                                  '8f6213c9-b1c6-46e0-9329-5f204e89a2c4'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PCS 7096'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         '23f4c1d1-fd0e-3d56-ad43-4672e462e9fb'
'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'                 'bff544a7-56e0-3ed6-9e0f-3b676cca9111'
'TXXX:MusicBrainz Release Track Id'                 'efaa64f9-203d-346c-8d7c-0630f4d5a6dd'
'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']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1970'
'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'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.489310'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4131e00c-13c5-4f92-a2ff-73c2edaf420c')
'USLT::XXX'                                         ('I hi hi hi hi hi hi, dig a pony\r\n'
 'Well you can celebrate anything you want\r\n'
 'Yes, you can celebrate anything you want\r\n'
 'Ooh\r\n'
 '\r\n'
 'I hi hi hi hi hi hi, do a roadhog\r\n'
 'Well you can penetrate any place you go\r\n'
 'Yes, you can penetrate any place you go\r\n'
 '\r\n'
 'I told you so\r\n'
 'All I want is you\r\n'
 'Everything has got to be\r\n'
 'just like you want it to\r\n'
 'Because\r\n'
 '\r\n'
 'I hi hi hi hi hi hi, pick a moondog\r\n'
 'Well you can radiate everything you are\r\n'
 'Yes, you can radiate everything you are\r\n'
 'Ooh\r\n'
 '\r\n'
 'I hi hi hi hi hi hi, roll a stoney\r\n'
 'Well you can imitate everyone you know\r\n'
 'Yes, you can imitate everyone you know\r\n'
 '\r\n'
 'I told you so\r\n'
 'All I want is you\r\n'
 'Everything has got to be\r\n'
 'just like you want it to\r\n'
 'Because\r\n'
 '\r\n'
 'I hi hi hi hi hi hi, feel the wind blow\r\n'
 'Well you can indicate everything you see\r\n'
 'Yes, you can indicate everything you see\r\n'
 'Ooh\r\n'
 '\r\n'
 'I hi hi hi hi hi hi, cold and lonely\r\n'
 'Well you can syndicate any boat you row\r\n'
 'Yes, you can syndicate any boat you row\r\n'
 '\r\n'
 'I told you so\r\n'
 'All I want is you\r\n'
 'Everything has got to be\r\n'
 'just like you want it to\r\n'
 'Because')

========================== row from database ==========================
                                              'id'  1525560
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_70-let it be/The Beatles - Dig A Pony.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  234
                                           'genre'  rock-cppex-classic
                                        'filesize'  3828112
                                           'mtime'  1636039094
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _70 let it be A rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Let It Be
                                       'tag_title'  Dig a Pony
                                             'bpm'  115.0
                                    'search_title'  'a':2 'dig':1 'pony':3
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'be':3 'it':2 'let':1
                                     'search_rest'  '00poprockelectronic':1 '70':2 'a':6 'be':5 'classic':9 'cppex':8 'it':4 'let':3 'rock':7
                                    'search_combo'  '00poprockelectronic':9 '70':10 'a':2A,14 'be':8C,13 'beatles':5B 'classic':17 'cppex':16 'dig':1A 'it':7C,12 'let':6C,11 'pony':3A 'rock':15 'the':4B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           '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'  1970
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039093.6370788  (2021-11-04 16:18:13)
                             'size'  3828112