my $keywords = $info->Keywords;

foreach my $keyword (@$keywords) {
   print "$keyword\n";
}

# or more succintly as
print "$_\n" for @$keywords;
[download]

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)