use Audio::TagLib;
$test = shift;
$file = Audio::TagLib::FileRef->new($test);
say 'title:', $file->tag()->title()->toCString();
say 'track', $file->tag()->track()->toCString();

##</code><code>##

title:Title Test
Can't locate object method "toCString" via package "0" (perhaps you forgot to load "0"?) at ./taglib_test.pl line 9.