Tragically Sundazed (again) missed to include The Knickerbockers 1965/66 version of "Fun, Fun, Fun", so people still has to go over to Youtube
https://www.youtube.com/watch?v=C1dJjka0Ewg and listen to the lip-synced Dick Clark's ABC-TV clip.
I don't think the quick recordings The Knickerbockers (or any "cast" bands on WTAI) survive anywhere but the original kinescopes - and that would be quite the hassle for Sundazed to clear/obtain - not mentioning the fact that the quality wouldn't be as good as the Challenge masters they are using (all mono for this one, btw).