Final answer:
Beowulf contains a song called the 'Finn Episode' that references the battle of Finn and Hengest, exploring themes of loyalty, honor, and revenge.
Step-by-step explanation:
Beowulf does indeed contain a song that references the battle of Finn and Hengest. This song is called the 'Finn Episode' and is found in the second part of the poem. It tells the story of a conflict between the Frisians, led by Finn, and a group of warriors led by Hengest.
The story of Finn and Hengest within Beowulf serves as a parallel to the main story and explores themes of loyalty, honor, and revenge. Through this song, the poem highlights the heroic code of the time and the consequences of breaking it.
In conclusion, the statement that Beowulf contains a song that references the battle of Finn and Hengest is true.