Here's a verse to go with your chorus of A NICE CUP OF TEA:

Some folks put much reliance
On politics and science.
There's only one hero for me:
His praise we should be roaring,
The man who thought of pouring
The first boiling water onto tea.

The National Library of Australia lists 2 songs called A NICE CUP OF TEA:

A NICE CUP OF TEA
Words, A. P. (Alan Patrick) Herbert. Music, Henry Sullivan.
Sydney : J. Albert & Son, c1937.

A NICE CUP OF TEA
Words, Frank W. Green. Music, Alfred Lee.
London : C. Sheard, [between 1860 and 1880?]
"Sung by James Hillier to delighted audiences"