The spring of 1967 in San Francisco included an anti-Vietnam War march of 50,000 people on April 15, 1967.
There were many anti-war protest songs being released. The band Buffalo Springfield was formed in Los Angeles in 1966. Stephen Stills and Neil Young were a part of the original group. In January of 1967, they released their protest anthem, composed by Stills, that they are known for. Here is the band performing, “For What It’s Worth.”
Stills did not compose the song as an anti-war song, but as a protest of a police action against a crowd of young people outside of a nightclub in Los Angeles that was closing. The song became a top ten hit by March of 1967. The band broke up in 1968. David Crosby from the band the Byrds and Graham Nash from the Hollies joined Stills and Young to become Crosby, Stills, Nash and Young by 1969.
By 1970, the group recorded this: