I used to own the first few Firesign Theatre records, haven't played any of them in 20+ years but they were interesting and unique and occasionally laugh-out-loud funny, especially after a "jazz cigarette". But to me comedy recordings have a pretty short shelf life; a half-dozen playings counts as a lot. I certainly couldn't listen hundreds of times like I could to an album of music that I loved.
Another Firesign Beatles reference (which you of all Beatlebiblers shouldn't have overlooked, S.B. Fields! 
) - The track on their debut album is titled ...