This is a great song about social change. The intro seems to be done by hammering on the A chord , and they keep doing this during the song. There's a light on a To the root of mankind, It bellows out bitter winds, Youth cry out for today, Strength to cry out for change, Yet it seems clear to me, It pounds inside my soul, Why don't we all see, We can cry out for change. Ooh Ooh Change Ooh Ooh Change Ooh Ooh Deep inside our hearts There's a love You can feel It's a love that assures We can (guitaretab.com)