======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Rubber Soul'
                                           'title'  'In My Life'
                                           '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-3', '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'  '11'
                                      'tracktotal'  '14'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '103'
                                             'key'  '3B'
                                        'acoustid'  'b775d7a8-773e-48c7-a398-e93623c14227'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rubber Soul'
'TBPM' (BPM (beats per minute))                     '103'
'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)         'In My Life'
'TKEY' (Initial key)                                '3B'
'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)               '11/14'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0900811'
'TXXX:Acoustid Id'                                  'b775d7a8-773e-48c7-a398-e93623c14227'
'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'                 'eb14b1d6-b30e-3be3-9c6b-cde2135c564e'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.700934'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4670caff-59d1-4a26-b26c-35491059756d')
'USLT::XXX'                                         ("There are places I'll remember\r\n"
 'All my life, though some have changed\r\n'
 'Some forever, not for better\r\n'
 'Some have gone and some remain\r\n'
 'All these places have their moments\r\n'
 'With lovers and friends I still can recall\r\n'
 'Some are dead and some are living\r\n'
 "In my life, I've loved them all\r\n"
 '\r\n'
 'But of all these friends and lovers\r\n'
 'There is no one compares with you\r\n'
 'And these memories lose their meaning\r\n'
 'When I think of love as something new\r\n'
 "Though I know I'll never lose affection\r\n"
 'For people and things that went before\r\n'
 "I know I'll often stop and think about them\r\n"
 'In my life, I love you more\r\n'
 '\r\n'
 "Though I know I'll never lose affection\r\n"
 'For people and things that went before\r\n'
 "I know I'll often stop and think about them\r\n"
 'In my life, I love you more\r\n'
 'In my life-- I love you more')

========================== row from database ==========================
                                              'id'  1524081
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_65-rubber soul/The Beatles - In my Life.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  rock-cppex-classic
                                        'filesize'  2369547
                                           'mtime'  1636039050
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _65 rubber soul my rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Rubber Soul
                                       'tag_title'  In My Life
                                             'bpm'  103.0
                                    'search_title'  'in':1 'life':3 'my':2
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'rubber':1 'soul':2
                                     'search_rest'  '00poprockelectronic':1 '65':2 'classic':8 'cppex':7 'my':5 'rock':6 'rubber':3 'soul':4
                                    'search_combo'  '00poprockelectronic':8 '65':9 'beatles':5B 'classic':15 'cppex':14 'in':1A 'life':3A 'my':2A,12 'rock':13 'rubber':6C,10 'soul':7C,11 'the':4B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3B
                                           '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'pop', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039050.0311918  (2021-11-04 16:17:30)
                             'size'  2369547