Here's my transcription of a couple of sound samples I found:

WHO MURDERED THE MINUTES
(Henry Treece)

...dressed in his red coat.
I with my trumpet, my sword and my flag,
I murdered the minutes.
I took the minutes and what good I did,
For see how the black men kneel, you said.
Who killed the hours? ...

* * *

From that small sample, it sounds as if the poem is modeled on WHO KILLED COCK ROBIN?

Here's some information about the poet/author, Henry Treece (1911-1966).