How about a couple of songs from the late Kevin Coyne?
Some of his stuff was pretty peculiar, which may have led some people to give up on him as "too difficult", but there was a side to him that was musically much more conventional, while always engaging.
Very much is the first camp is "Mona, Where's My Trousers?", a B-side from 1976 which turns up on a couple of compilations as well.
In the latter, "The World Is Full Of Fools" from 1979's "Millionaires And Teddy Bears".
Here they are:
And here he is on a (probably not terribly funny) Dutch comedy show in 1974. Watch out for the surprise ending: