In the 1964 film "Zulu", what song does the British Army company sing before the final battle?

In the 1964 film "Zulu," the British army company sings the song "Men of Harlech" before the final battle because this song holds historical significance and represents their spirit of courage and resilience. "Men of Harlech" is a traditional Welsh song that has been associated with soldiers and war since the late 18th century. Its lyrics tell the story of the defense of Harlech Castle and the determination of Welsh soldiers to hold their ground against the enemy. By singing this song, the British soldiers in the film draw inspiration from the heroic Welsh warriors and unite as a strong, unified force ready to face their opponents in the upcoming battle.