I just uploaded some rare S&G demos to YouTube including "Save The Life Of My Child" and a very early version of my favorite song: "The Only Living Boy In New York."

"The Only Living Boy In New York"- http://www.youtube.com/watch?v=AajJ3AyR_jU

"Save The Life Of My Child"- http://www.youtube.com/watch?v=lEY6d6E6lp4&feature=related

There's also a Paul Simon's live performance in 1964 of "Can't Help But Wonder Where I'm Bound"- http://www.youtube.com/watch?v=UqDDJ65ymJI&feature=related