======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '169'
                                          'artist'  "The Howlin' Wolf"
                                     'text_people'  ''
                                         'release'  "monster rock 'n' roll show"
                                           'title'  " I Ain't Superstitious"
                                           'quals'  ("['q-bass-3', 'q-vocals-4', 'q-play-3', 'q-unu-1', 'q-busy-3', 'q-piano-1', "
 "'q-jzfks-1', 'q-oldst-3', 'q-chart-2', 'q-grit-2', 'q-hhrnbtt-1', "
 "'q-drums-1', 'q-other-3', 'q-mixbeat-1', 'q-hap-2', 'q-syn-2', "
 "'q-localness-1']")
                                      'lastfmtags'  "['blues', 'chicago blues', 'classic blues', 'delta blues', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '92.349'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             "monster rock 'n' roll show"
'albumartist'                                       'Various Artists'
'artist'                                            "The Howlin' Wolf"
'bpm'                                               '92.349'
'date'                                              '1990'
'genre'                                             'rock-pop'
'key'                                               '7A'
'lastfmtags'                                        ['blues', 'chicago blues', 'classic blues', 'delta blues', 'rhythm and blues']
'q-bass'                                            '3'
'q-busy'                                            '3'
'q-chart'                                           '2'
'q-drums'                                           '1'
'q-grit'                                            '2'
'q-hap'                                             '2'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '1'
'q-oldst'                                           '3'
'q-other'                                           '3'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'replaygain_track_gain'                             '-0.50 dB'
'replaygain_track_peak'                             '0.716903'
'title'                                             " I Ain't Superstitious"
'tracknumber'                                       '25'

========================== row from database ==========================
                                              'id'  1528582
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/dzs-050 - various artists - monster rock _n_ roll show/25 - The Howlin_ Wolf - I Ain_t Superstitious.ogg
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  169
                                           'genre'  rock-pop
                                        'filesize'  1783646
                                           'mtime'  1642339670
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm dzs 050 various artists _n_ 25 Howlin_ Ain_t pop
                                      'tag_artist'  The Howlin' Wolf
                                     'tag_release'  monster rock 'n' roll show
                                       'tag_title'   I Ain't Superstitious
                                             'bpm'  92.349
                                    'search_title'  'ain':2 'aint':4 'i':1 'superstitious':5 't':3
                                   'search_artist'  'howlin':2,3 'the':1 'wolf':4
                                  'search_release'  'monster':1 'n':3,4 'rock':2 'roll':5 'show':6
                                     'search_rest'  '25':5 'ain':7 'artists':3 'dzs':1 'howlin':6 'n':4 'pop':9 't':8 'various':2
                                    'search_combo'  '25':20 'ain':2A,22 'aint':4A 'artists':18 'dzs':16 'howlin':7B,8B,21 'i':1A 'monster':10C 'n':12C,13C,19 'pop':24 'rock':11C 'roll':14C 'show':15C 'superstitious':5A 't':3A,23 'the':6B 'various':17 'wolf':9B
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['q-play-3', 'q-vocals-4', 'q-chart-2', 'q-grit-2', 'q-other-3', 'q-syn-2', 'q-oldst-3', 'q-unu-1', 'q-mixbeat-1', 'q-hhrnbtt-1', 'q-jzfks-1', 'q-busy-3', 'q-drums-1', 'q-hap-2', 'q-bass-3', 'q-localness-1', 'q-piano-1']
                                      'lastfmtags'  ['blues', 'chicago blues', 'classic blues', 'delta blues', 'rhythm and blues']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642339669.639805  (2022-01-16 14:27:49)
                             'size'  1783646