======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  'Robert Johnson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Walkin' Blues"
                                           'quals'  ("['q-bass-1', 'q-vocals-4', 'q-play-3', 'q-unu-1', 'q-busy-2', 'q-piano-1', "
 "'q-jzfks-3', 'q-oldst-1', 'q-chart-3', 'q-grit-2', 'q-hhrnbtt-1', "
 "'q-drums-1', 'q-other-3', 'q-mixbeat-1', 'q-hap-2', 'q-syn-1', "
 "'q-localness-3']")
                                      'lastfmtags'  "['guitar', 'acoustic', 'blues', 'delta blues', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '100.906'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'analysis'                                          ('MusicMagic '
 'DataAgEBevYGgAGZnZDhgV/4o0qAh9yBoYeuERuvfQElgwnInYABgAEsn6zPgAEBy4RCgZmAAaicmX2mQoABgAHPngh81snCq5YZgAKAAYABn1STL4GoDvNHNYcagb6HLgwIrhMGHoFLxi+CKIE4IWm0C4ABAyaJhYOJgAGrxLNDtR6AAYABwKIGG+WYyiqYmoA/gAE=')
'artist'                                            'Robert Johnson'
'bpm'                                               '100.906'
'date'                                              '1930'
'fingerprint'                                       ('MusicMagic '
 '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')
'fmps_rating'                                       '0.6'
'genre'                                             'prerock-jb-blues'
'key'                                               '12B'
'lastfmtags'                                        ['guitar', 'acoustic', 'blues', 'delta blues', 'folk']
'q-bass'                                            '1'
'q-busy'                                            '2'
'q-chart'                                           '3'
'q-drums'                                           '1'
'q-grit'                                            '2'
'q-hap'                                             '2'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '3'
'q-localness'                                       '3'
'q-mixbeat'                                         '1'
'q-oldst'                                           '1'
'q-other'                                           '3'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '1'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'replaygain_track_gain'                             '+1.00 dB'
'replaygain_track_peak'                             '0.758047'
'title'                                             "Walkin' Blues"

========================== row from database ==========================
                                              'id'  1507775
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Robert Johnson/(19) [Robert Johnson] Walkin_ Blues.ogg
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  prerock-jb-blues
                                        'filesize'  1556655
                                           'mtime'  1620402511
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country (19) [Robert Johnson] Walkin_ prerock jb blues
                                      'tag_artist'  Robert Johnson
                                     'tag_release'  None
                                       'tag_title'  Walkin' Blues
                                             'bpm'  100.906
                                    'search_title'  'blues':3 'walkin':1,2
                                   'search_artist'  'johnson':2 'robert':1
                                  'search_release'  
                                     'search_rest'  '19':5,6 'blues':14 'country':4 'exotica':2 'jazz':1 'jb':13 'johnson':9,10 'oldies':3 'prerock':12 'robert':7,8 'walkin':11
                                    'search_combo'  '19':10,11 'blues':3A,19 'country':9 'exotica':7 'jazz':6 'jb':18 'johnson':5B,14,15 'oldies':8 'prerock':17 'robert':4B,12,13 'walkin':1A,2A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['q-mixbeat-1', 'q-chart-3', 'q-other-3', 'q-oldst-1', 'q-grit-2', 'q-vocals-4', 'q-drums-1', 'q-busy-2', 'q-localness-3', 'q-jzfks-3', 'q-hhrnbtt-1', 'q-syn-1', 'q-piano-1', 'q-play-3', 'q-bass-1', 'q-hap-2', 'q-unu-1']
                                      'lastfmtags'  ['guitar', 'acoustic', 'blues', 'delta blues', 'folk']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402511.3386936  (2021-05-07 17:48:31)
                             'size'  1556655