Country Joe used, more or less, the tune for "Muskrat Ramble", an old Dixieland tune. Some years ago there were several generations of musicians at one of my parties with my mother at the piano, leading Muskrat Ramble. And when she got to the start of the 2nd part, the musicians closest to the piano were singing "And we'll play--that--Musk--Rat--Ramble tune" while others, all at least 40 years younger, were singing "And it's One--Two--Three--What are we fighting for?"

Maybe you had to have been there, but I'll never forget it for an example of the Gneration Gap on display PETE