Graham Nash — British Musician born on February 02, 1942,

Graham William Nash, OBE is a British singer-songwriter known for his light tenor voice and for his songwriting contributions with the British pop group The Hollies, and with the folk-rock super group Crosby, Stills, Nash & Young. A dual citizen of the United Kingdom and United States, Nash became an American citizen on 14 August 1978... (wikipedia)

I mean, there's times to rock and roll, and I love that too. But I think my first love is acoustic music.
I'm not so sure that people consider homelessness to be as important as, say, the Vietnam War. One should never even try to equate them because, of course, they're tragedies on both sides of the coin.
If every human being disappeared off the face of the earth in an instant, the earth would still keep spinning and the planet would develop new life forms.
When I was born in 1942, World War II was still going. And I began to realize when I became a young adult that if we don't teach our kids a better way of relating to their fellow human beings, the very future of humanity on the planet is in jeopardy.
We can't forget what happened on May 4th, 1970, when four students gave up their lives because they had the American constitutional right of peaceful protest. They gave up their lives. And to sing that song in that spot on that anniversary was very emotional for us.