Initially, it is to inform the student on the components of ancient Greek theatre e.g., the playwrights, performers, masks, types of plays, and theatres. 
To check listening comprehension.

This is a short documentary by the National Theatre. It is centred on aspects of Greek theatre,  and plays.

An Introduction to Greek Theatre

an-introduction-to-greek-theatre

Let's do English ESL basic listening: focus on hearing. Initially, it is to inform the student on the components of ancient Greek theatre e.g., the playwrights,…