reminds me of the Odd Couple episode where Oscar and Deacon Jones are making a commercial for Felix and Oscar keeps getting his lines wrong; but just as they are about to replace him, Deacon Jones who hasnt spoken at all, takes over, speaks Oscar's lines for him and they get it done in one take!
EVen 30 years ago, Keith shows that his "image" is (somewhat) cultivated for the public and he is in one the joke!