======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Rufus Thomas'
                                     'text_people'  ''
                                         'release'  'The Most Legendary Soul Cd1'
                                           'title'  "Walkin' The Dog"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'funk', 'rhythm and blues', 'blues', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '120.974'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Most Legendary Soul Cd1'
'TBPM' (BPM (beats per minute))                     '120.974'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Walkin' The Dog"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rufus Thomas'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEBYiIVgASXIKHhgvgL/00ggAGBxoK39SyilhzigAHzpoABgAEGfbWFgFvQIoKIgOSAAb2dnS3iLJZWgAGVyACw0L+w86FBgAKAAYi5mFml24L0BEgvkIZygmyFLPcIoko+yJKb8XGkZIZFBwy1YbpZ3tqnt4FbgPLjlpxZ9r24E4Gcv/8AbPIBusa/ToOfgfo='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'rhythm and blues', 'blues', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.352037'

========================== row from database ==========================
                                              'id'  1522368
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Most Legendary Soul Cd1/Walkin_ The Dog.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  3519095
                                           'mtime'  1620536510
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Walkin_ prerock jb jazz pop
                                      'tag_artist'  Rufus Thomas
                                     'tag_release'  The Most Legendary Soul Cd1
                                       'tag_title'  Walkin' The Dog
                                             'bpm'  120.974
                                    'search_title'  'dog':4 'the':3 'walkin':1,2
                                   'search_artist'  'rufus':1 'thomas':2
                                  'search_release'  'cd1':5 'legendary':3 'most':2 'soul':4 'the':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'pop':8 'prerock':6 'walkin':5
                                    'search_combo'  'cd1':11C 'country':15 'dog':4A 'exotica':13 'jazz':12 'jb':18 'legendary':9C 'most':8C 'oldies':14 'pop':19 'prerock':17 'rufus':5B 'soul':10C 'the':3A,7C 'thomas':6B 'walkin':1A,2A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk', 'rhythm and blues', 'blues', '7soul']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536510.369036  (2021-05-09 07:01:50)
                             'size'  3519095