Pete Seeger Profile: Pete Seeger Events (3) Mid-August - August 27, 1949: Concert Planned by Left-Wing Activists; Area Conservatives Vow to Stop It 1949-08-27 August 28-30, 1949: Plans for Second Peekskill Concert Made 1949-08-28 September 4, 1949: Second Peekskill Concert Held Successfully 1949-09-04