Welshmen will not Yield

Zulu - 1964 produced by Cy Endfield and Stanley Baker is a historical film depicting the Battle of Rorke's Drift between the British Army and the Zulus.
The film stars Stanley Baker and Michael Caine (in his first starring role), with a supporting cast that includes Jack Hawkins, Ulla Jacobsson, James Booth, Nigel Green, Paul Daneman, Glynn Edwards and Patrick Magee.

"Men Of Harlech"
Lyrics:
Men of Harlech stop your dreaming
Can't you see their spear points gleaming
See their warrior pennants streaming
To this battlefield
Men of Harlech stand ye steady
It cannot be ever said ye
For the battle were not ready
Welshmen never yield
From the hills rebounding
Let these war cries sounding
Summon all at Cambria's call
The mighty force surrounding
Men of Harlech on to glory
This will ever be your story
Keep these burning words before ye
Welshmen will not yield