Yes, you're right; it's a video clip from one of the episodes of a British late-night television talk show:
https://en.wikipedia.org/wiki/The_Last_Leg
https://www.youtube.com/c/OfficialTheLastLeg/about
which was, and still is, presented/anchored by Australian comedian:
https://en.wikipedia.org/wiki/Adam_Hills
https://www.huffingtonpost.co.uk/2015/07/03/adam-hills-the-last-leg-tv_n_7729342.html
A slightly longer clip of it was uploaded to The Last Leg's official YouTube channel over six years ago in late June 2015 (shortly after Trump's 2016 presidential campaign started):
and it has 411,859 views as of now.
About two weeks after that, someone else also uploaded the shorter version to YouTube in July 2015:
but it only has 1,250 views as of now.
I wonder why YouTube has not removed the above two videos after all these years...
Take the children and yourself
And hide out in the cellar
By now the fighting will be close at hand
Don't believe the church and state
And everything they tell you
Believe in me, I'm with the high command!
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?
There's a gun and ammunition
Just inside the doorway
Use it only in emergency
Better you should pray to God
The Father and the Spirit
Will guide you and protect you from up here!
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?
Swear allegiance to the flag
Whatever flag they offer
Never hint at what you really feel
Teach the children quietly
For some day sons and daughters
Will rise up and fight while we stood still!
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?
Can you hear me, can you hear me running?
Can you hear me running, can you hear me calling you?