======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '148'
                                          'artist'  'Little Buddy Doyle'
                                     'text_people'  ''
                                         'release'  ('Masters Of The Memphis Blues (1928-39) - Disc D (Robert Wilkins & Little '
 'Buddy Doyle)')
                                           'title'  'Renewed Love Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'blues', 'the vitamin b12', 'all']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '108.239'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     ('Masters Of The Memphis Blues (1928-39) - Disc D (Robert Wilkins & Little '
 'Buddy Doyle)')
'TBPM' (BPM (beats per minute))                     '108.239'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Renewed Love Blues'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '000000148913'
'TPE1' (Lead performer(s)/Soloist(s))               'Little Buddy Doyle'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['spotify', 'blues', 'the vitamin b12', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.498126'

========================== row from database ==========================
                                              'id'  725704
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Masters Of Memphis Blues - Disc D (Robert Wilkins & Little Buddy Doyle) 192Kbps/21 - Little Buddy Doyle - Renewed Love Blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  148
                                           'genre'  prerock-jb-blues
                                        'filesize'  3572504
                                           'mtime'  1620402427
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 192Kbps 21 prerock jb blues
                                      'tag_artist'  Little Buddy Doyle
                                     'tag_release'  Masters Of The Memphis Blues (1928-39) - Disc D (Robert Wilkins & Little Buddy Doyle)
                                       'tag_title'  Renewed Love Blues
                                             'bpm'  108.239
                                    'search_title'  'blues':3 'love':2 'renewed':1
                                   'search_artist'  'buddy':2 'doyle':3 'little':1
                                  'search_release'  '1928':6 '192839':8 '39':7 'blues':5 'buddy':15 'd':10 'disc':9 'doyle':16,17 'little':14 'masters':1 'memphis':4 'of':2 'robert':11,12 'the':3 'wilkins':13
                                     'search_rest'  '192kbps':5 '21':6 'blues':9 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7
                                    'search_combo'  '1928':12C '192839':14C '192kbps':28 '21':29 '39':13C 'blues':3A,11C,32 'buddy':5B,21C 'country':27 'd':16C 'disc':15C 'doyle':6B,22C,23C 'exotica':25 'jazz':24 'jb':31 'little':4B,20C 'love':2A 'masters':7C 'memphis':10C 'of':8C 'oldies':26 'prerock':30 'renewed':1A 'robert':17C,18C 'the':9C 'wilkins':19C
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'blues', 'the vitamin b12', 'all']
                                        'tag_date'  2004
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620402427.3922164  (2021-05-07 17:47:07)
                             'size'  3572504