The Jefferson Airplane embodied the San Francisco sound of the sixties as much as any musical outfit, as did founding member Paul Kantner, who died yesterday at age seventy-four. Here’s Kantner singing and playing with co-founder Marty Balin and Grace Slick a song he and Balin wrote circa 1969:

https://www.youtube.com/watch?v=OGSCKqtLM9c