The engagement of citizens in the research projects, including Digital Humanities projects, has risen in prominence in the recent years. This type of engagement not only leads to incidental learning of the participant, but also indicates the added value of corpus enrichment via different types of annotations undertaken by users generating the so-called smart texts. Our work focuses on the continuous task of adding new layers of annotation to Classical Literature from the around the world. We aim to provide more extensive tools for readers of smart texts, enhancing their reading comprehension and at the same time empowering the language learning by introducing intellectual tasks, i.e. linking, tagging, and disambiguation. The current study adds a new mode of annotation, audio annotations, to the extensively annotated corpus of poetry by the Persian poet Hafiz, proposing tasks with three different difficulty levels to estimate users' ability in order to rate their annotation in further stages of the project, where no ground truth is available.Annotators with no knowledge of Persian are able to add annotations to the Persian source.