MetchosinThankyou! Its called
"Variation on a Theme by Wordsworth" and the author is (modest cough) me!
do feel free to copy it, I wrote it years ago for a parody competition.
My other favourite is about the man who had to dispose of a case of scotch, Opened a bottle, had a glass and poured the rest away down the sink.. By the ninth bottle the repetition is somewhat confused