Peter Yarrow and Paul Stookey sing "Blowin' in the Wind" at the March on Washington

At the 50th Anniversary March on Washington, Peter Yarrow and Noel Paul Stookey sang Bob Dylan's anthem "Blowin' in the Wind."

Fifty years earlier, Peter Paul and Mary sang "Blowin in the Wind" and "If I Had a Hammer." Bob Dylan and Joan Baez also sang, along with Odetta, Marian Anderson, and Mahalia Jackson.