Identify the genre based on these characteristics: It involves a long, complex, and culturally important story. It was originally intended to be sung or recited to music. Deities and other supernatural agencies are often involved in human affairs. It often has national interest and a national bias. speech history heroic epic play

Heroic epic often depict exactly this - they have long complex stories that are also very culturally relevant to the culture out of which the hero comes from. They were often created in order to be sung and they also involve supernatural beings etc. which the hero has to overcome and save his people.

No other of the available answer is similar to this.