Name: BarryNet Message Board Date/Time: 8/11/2020 1:18 AM Subject: 40 Years Ago Today (August 11, 1980): Red Rocks Amphitheatre in Denver! This Day in MANILOW History - August 11th: As part of his WORLD TOUR, Barry Manilow performed the first of his three Red Rocks Amphitheatre concerts in Denver, Colorado, FORTY Years Ago TODAY (August 11, 1980)!