Ah yes... in the memorial thread someone posted this:

"One lasting regret is that I never could persuade Jonathan to let me (or anyone else, so far as I know) record -- or even write down the words to -- "Waltzing With Whales", his exquisite parody of "Waltzing With Bears". ("...trip the heavy fantastic, waltzing with whales...") He had taken the notion that he might get caught up in the copyright litigation around "WWB" and some alleged predecessor called "Waltzing With Terwilliger", and nothing could shake his opinion. "