Annie Patterson and Peter Blood performed in studio on The Folk Show on April 29.
Annie Patterson and Peter Blood are the authors of much loved songbooks, Rise Up Singing and Rise Again.
They joined Kate McNally with a preview of shows celebrating the 100th birthday of the late, beloved Pete Seeger.
Watch as Annie and Peter perform "Which Side Are You On," a Pete Seeger staple that was written in 1931 by Florence Reece: