Celtic Thunder's Colm Keegan and Keith Harkin performed Simon & Garfunkel’s “The Sound of Silence" during the group's 2014 tour. The stunning performance of “The Sound of Silence" was ...
One user commented, "Heard the biggest thunder sound ever in my life," while another remarked, "I heard it just now. How did you get it 12 mins ago?" The sudden noise, which has sparked widespread ...