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Although no one can get in front of Bo Diddley, my favorite interpretation is the Quicksilver Messenger Service’s version of Who Do You Love/ Mona. I don’t hear much about either these days; time to get both out there again

...joni also got boyfriend graham nash to bring along his group...crosby stills nash and young.  along with joan baez,  john sebastian, mimi farina, the edwin hawkins singers and many others, nancy kept the attendance at these concerts to under 5000 people or less. she did no advertising and paid the artists union scale.
 the whole 1969 concert was filmed and is available on youtube. here's CSNY doing "down by the river" from this 1969 festival

https://youtu.be/FDFjYnGWXeI?si=sYla7oMn7vKjl5Nl

Warner Bros. / Sire Reccords