Well it must be Kidd, Doak, Coore-Crenshaw, and Doak, with a fake beard and hunched over a bit.
I say The Beatles on the Ed Sullivan Show over Jack, but Jack over the Beatles at Shea Stadium. Terrible acoustics, undersized amplifiers.
There's a fairly famous story about the Shea Stadium concert where John sort of goes crazy during the performance of "I'm Down". It is sometimes identified as the beginning of the end of their concert appearances.
"How can you laugh, when you know I'm down?"