my %in_hash = (
  jibber => [
              {id =>  1, score => 3, name => 'foo'},
              {id =>  5, score => 1, name => 'bar'},
              {id => 22, score => 6, name => 'baz'},
            ],
  jabber => [
              {id =>  3, score => 1, name => 'boo'},
              {id =>  5, score => 3, name => 'bar'},
              {id => 12, score => 2, name => 'zib'},
              {id => 22, score => 2, name => 'baz'},
            ],
);