In 1971 I was in college in DC. In May two nights before a big war protest march I took a walk down to the mall. As I was climbing the hill in front of the Washington Monument I heard familiar music being played. As I reached the crest and looked down on the mall I saw Jefferson Airplane playing live to a crowd of about a thousand very happy and very stoned fans.
Jeff Air was very interesting. Their biographer insists that they tried to be apolitical in that they never once played a political fundraiser. Grace Slick said several times they avoided such things. Look at the book ‘Got a Revolution.’